Finding the Fourth Proportional to 68,064,781.75, 93,937,339.85 and 38,700,514.13
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Solution
The fourth proportional to 68,064,781.75, 93,937,339.85 and 38,700,514.13 is: 53,411,224.63
Step by Step Solution
- Step 1: Write the proportion equation
68,064,781.75 : 93,937,339.85 = 38,700,514.13 : x - Step 2: Convert to fraction form
68,064,781.75/93,937,339.85 = 38,700,514.13/x - Step 3: Cross multiply
68,064,781.75x = 93,937,339.85 × 38,700,514.13 - Step 4: Simplify right side
68,064,781.75x = 3,635,423,347,536,348 - Step 5: Solve for x
x = 3,635,423,347,536,348/68,064,781.75 - Step 6: Final answer
x = 53,411,224.63
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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.