Finding the Fourth Proportional to 288,718,160.20, 432,904,286.94 and 91,896,558.28
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Solution
The fourth proportional to 288,718,160.20, 432,904,286.94 and 91,896,558.28 is: 137,789,787.82
Step by Step Solution
- Step 1: Write the proportion equation
288,718,160.20 : 432,904,286.94 = 91,896,558.28 : x - Step 2: Convert to fraction form
288,718,160.20/432,904,286.94 = 91,896,558.28/x - Step 3: Cross multiply
288,718,160.20x = 432,904,286.94 × 91,896,558.28 - Step 4: Simplify right side
288,718,160.20x = 39,782,414,034,443,552 - Step 5: Solve for x
x = 39,782,414,034,443,552/288,718,160.20 - Step 6: Final answer
x = 137,789,787.82
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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.