Finding the Fourth Proportional to 69,251,345.64, 95,569,670.34 and 38,310,981.84
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Solution
The fourth proportional to 69,251,345.64, 95,569,670.34 and 38,310,981.84 is: 52,870,711.33
Step by Step Solution
- Step 1: Write the proportion equation
69,251,345.64 : 95,569,670.34 = 38,310,981.84 : x - Step 2: Convert to fraction form
69,251,345.64/95,569,670.34 = 38,310,981.84/x - Step 3: Cross multiply
69,251,345.64x = 95,569,670.34 × 38,310,981.84 - Step 4: Simplify right side
69,251,345.64x = 3,661,367,904,850,527 - Step 5: Solve for x
x = 3,661,367,904,850,527/69,251,345.64 - Step 6: Final answer
x = 52,870,711.33
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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.