Finding the Fourth Proportional to 272,230,348.68, 408,343,422.96 and 67,757,046.12
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Solution
The fourth proportional to 272,230,348.68, 408,343,422.96 and 67,757,046.12 is: 101,635,046.48
Step by Step Solution
- Step 1: Write the proportion equation
272,230,348.68 : 408,343,422.96 = 67,757,046.12 : x - Step 2: Convert to fraction form
272,230,348.68/408,343,422.96 = 67,757,046.12/x - Step 3: Cross multiply
272,230,348.68x = 408,343,422.96 × 67,757,046.12 - Step 4: Simplify right side
272,230,348.68x = 27,668,144,142,299,388 - Step 5: Solve for x
x = 27,668,144,142,299,388/272,230,348.68 - Step 6: Final answer
x = 101,635,046.48
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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.