Eliota Fuimaono-Sapolu was amongst the try scorers as Manu Samoa clinched qualification for the 2011 Rugby World Cup in New Zealand after beating Papua New Guinea 73-12 in Port Moresby at the weekend.
They are the second nation to qualify for the tournament after Canada booked their place earlier this month.
Manu Samoa will play in Pool D against champions South Africa, Wales and Fiji.
Samoa won 188-19 on aggregate over two matches against Papua New Guinea, having won 115-7 at Apia Park a week ago.
Wing Mikaele Pesamino opened the scoring with the first of his three tries after only four minutes at the Lloyd Robson stadium on Saturday.
Five more unanswered first-half tries by Eliota Fuimaono-Sapolu, Andrew Williams (2), Semo Sititi and a second for Pesamino, allied with four Titi Esau conversions, saw the visitors take a 38-0 half-time lead.
Roland Namo claimed one back for the Pupuks in the second-half before further scores from Fuimaono-Sapolu, Afa Aiono, Meki Magele, Pesamino and Gavin Williams.
Jack Maraha scored a late consolation try for the home side.
Eliota will now fly back to the UK to link up with his new Gloucester Rugby team mates in time for the 2009-10 season.
Speaking straight after the game, skipper Billy Twelvetrees told GRTV that losing at home to Bath, in front of a tremendous home support, was desperately disappointing and that the whole team were hurting in the dressing room.
Speaking to the local media this week, Richard Hibbard expressed his excitement ahead of the West Country derby and that there is an extra spring in the step of the Cherry and Whites ahead of the tough challenge.
With such a short turnaround between the two games, and Gloucester looking to reintegrate several players into the line-up after the Autumn international series, Tom Savage told GRTV that the Cherry and Whites will keep changes to a minimum for the European Rugby Challenge Cup game in Zebre on Saturday.
On a tough evening at Kingsholm, Gloucester could escape neither a suffocating Bath defence, nor the whistle of referee Greg Garner as six penalties and a penalty try paved the way to a 39-16 win for the visitors.