Finding the Fourth Proportional to 257,472,937.96, 386,173,044.45 and 82,573,244.84
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Solution
The fourth proportional to 257,472,937.96, 386,173,044.45 and 82,573,244.84 is: 123,848,205.58
Step by Step Solution
- Step 1: Write the proportion equation
257,472,937.96 : 386,173,044.45 = 82,573,244.84 : x - Step 2: Convert to fraction form
257,472,937.96/386,173,044.45 = 82,573,244.84/x - Step 3: Cross multiply
257,472,937.96x = 386,173,044.45 × 82,573,244.84 - Step 4: Simplify right side
257,472,937.96x = 31,887,561,350,943,484 - Step 5: Solve for x
x = 31,887,561,350,943,484/257,472,937.96 - Step 6: Final answer
x = 123,848,205.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.