32 × 12 × 48 × a × 100 = 50 × 4 × 3 × 32 × 48 × 2 × 60
384 × 48 × a × 100 = 200 × 3 × 32 × 48 × 2 × 60
18432 × a × 100 = 600 × 32 × 48 × 2 × 60
18432 × a × 100 = 19200 × 48 × 2 × 60
18432 × a × 100 = 921600 × 2 × 60
18432 × a × 100 = 1843200 × 60
18432 × a × 100 = 110592000
18432 × a = 110592000 : 100
18432 × a = 1105920
a = 1105920 : 18432
a = 60
