Finding the Fourth Proportional to 69,940,169.81, 96,478,687.70 and 49,063,285.13
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Solution
The fourth proportional to 69,940,169.81, 96,478,687.70 and 49,063,285.13 is: 67,680,152.58
Step by Step Solution
- Step 1: Write the proportion equation
69,940,169.81 : 96,478,687.70 = 49,063,285.13 : x - Step 2: Convert to fraction form
69,940,169.81/96,478,687.70 = 49,063,285.13/x - Step 3: Cross multiply
69,940,169.81x = 96,478,687.70 × 49,063,285.13 - Step 4: Simplify right side
69,940,169.81x = 4,733,561,363,593,324 - Step 5: Solve for x
x = 4,733,561,363,593,324/69,940,169.81 - Step 6: Final answer
x = 67,680,152.58
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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.