Tolong bantuannya ya,,,,, Makasih,,,,

2:3
4:5
amir : bahrul : chairul = 8 : 12 : 15
8a+12a+15a= 140.000
35a=140.000
a=4.000
bahrul=12x4.000=48.000
chairul=15x4.000=60.000
selisih=60.000-48.000=12.000

semoga membantu ya!!!