Finding the Fourth Proportional to 217,861,044.18, 300,658,876.99 and 122,521,552.91
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Solution
The fourth proportional to 217,861,044.18, 300,658,876.99 and 122,521,552.91 is: 169,085,724.54
Step by Step Solution
- Step 1: Write the proportion equation
217,861,044.18 : 300,658,876.99 = 122,521,552.91 : x - Step 2: Convert to fraction form
217,861,044.18/300,658,876.99 = 122,521,552.91/x - Step 3: Cross multiply
217,861,044.18x = 300,658,876.99 × 122,521,552.91 - Step 4: Simplify right side
217,861,044.18x = 36,837,192,505,436,808 - Step 5: Solve for x
x = 36,837,192,505,436,808/217,861,044.18 - Step 6: Final answer
x = 169,085,724.54
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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.