Finding the Fourth Proportional to 252,722,748.38, 379,084,122.56 and 61,246,524.38
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Solution
The fourth proportional to 252,722,748.38, 379,084,122.56 and 61,246,524.38 is: 91,869,786.56
Step by Step Solution
- Step 1: Write the proportion equation
252,722,748.38 : 379,084,122.56 = 61,246,524.38 : x - Step 2: Convert to fraction form
252,722,748.38/379,084,122.56 = 61,246,524.38/x - Step 3: Cross multiply
252,722,748.38x = 379,084,122.56 × 61,246,524.38 - Step 4: Simplify right side
252,722,748.38x = 23,217,584,952,699,644 - Step 5: Solve for x
x = 23,217,584,952,699,644/252,722,748.38 - Step 6: Final answer
x = 91,869,786.56
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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.