Finding the Fourth Proportional to 69,127,227.96, 95,398,472.70 and 39,758,568.72
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Solution
The fourth proportional to 69,127,227.96, 95,398,472.70 and 39,758,568.72 is: 54,868,491.69
Step by Step Solution
- Step 1: Write the proportion equation
69,127,227.96 : 95,398,472.70 = 39,758,568.72 : x - Step 2: Convert to fraction form
69,127,227.96/95,398,472.70 = 39,758,568.72/x - Step 3: Cross multiply
69,127,227.96x = 95,398,472.70 × 39,758,568.72 - Step 4: Simplify right side
69,127,227.96x = 3,792,906,732,625,994 - Step 5: Solve for x
x = 3,792,906,732,625,994/69,127,227.96 - Step 6: Final answer
x = 54,868,491.69
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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.