Finding the Fourth Proportional to 172,472,621.13, 238,011,006.36 and 94,156,174.62
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Solution
The fourth proportional to 172,472,621.13, 238,011,006.36 and 94,156,174.62 is: 129,934,859.98
Step by Step Solution
- Step 1: Write the proportion equation
172,472,621.13 : 238,011,006.36 = 94,156,174.62 : x - Step 2: Convert to fraction form
172,472,621.13/238,011,006.36 = 94,156,174.62/x - Step 3: Cross multiply
172,472,621.13x = 238,011,006.36 × 94,156,174.62 - Step 4: Simplify right side
172,472,621.13x = 22,410,205,876,667,180 - Step 5: Solve for x
x = 22,410,205,876,667,180/172,472,621.13 - Step 6: Final answer
x = 129,934,859.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.