Finding the Fourth Proportional to 49,545,824.13, 68,398,088.79 and 30,971,296.92
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Solution
The fourth proportional to 49,545,824.13, 68,398,088.79 and 30,971,296.92 is: 42,755,924.52
Step by Step Solution
- Step 1: Write the proportion equation
49,545,824.13 : 68,398,088.79 = 30,971,296.92 : x - Step 2: Convert to fraction form
49,545,824.13/68,398,088.79 = 30,971,296.92/x - Step 3: Cross multiply
49,545,824.13x = 68,398,088.79 × 30,971,296.92 - Step 4: Simplify right side
49,545,824.13x = 2,118,377,516,675,613.75 - Step 5: Solve for x
x = 2,118,377,516,675,613.75/49,545,824.13 - Step 6: Final answer
x = 42,755,924.52
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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.