Finding the Fourth Proportional to 125,893,618, 188,831,759.20 and 77,378,959.60
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Solution
The fourth proportional to 125,893,618, 188,831,759.20 and 77,378,959.60 is: 116,063,111.84
Step by Step Solution
- Step 1: Write the proportion equation
125,893,618 : 188,831,759.20 = 77,378,959.60 : x - Step 2: Convert to fraction form
125,893,618/188,831,759.20 = 77,378,959.60/x - Step 3: Cross multiply
125,893,618x = 188,831,759.20 × 77,378,959.60 - Step 4: Simplify right side
125,893,618x = 14,611,605,066,333,726 - Step 5: Solve for x
x = 14,611,605,066,333,726/125,893,618 - Step 6: Final answer
x = 116,063,111.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.