Finding the Fourth Proportional to 146,491,318.19, 202,158,306.16 and 86,964,552.38
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Solution
The fourth proportional to 146,491,318.19, 202,158,306.16 and 86,964,552.38 is: 120,011,252.70
Step by Step Solution
- Step 1: Write the proportion equation
146,491,318.19 : 202,158,306.16 = 86,964,552.38 : x - Step 2: Convert to fraction form
146,491,318.19/202,158,306.16 = 86,964,552.38/x - Step 3: Cross multiply
146,491,318.19x = 202,158,306.16 × 86,964,552.38 - Step 4: Simplify right side
146,491,318.19x = 17,580,606,605,391,380 - Step 5: Solve for x
x = 17,580,606,605,391,380/146,491,318.19 - Step 6: Final answer
x = 120,011,252.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.