Finding the Fourth Proportional to 217,741,519.80, 326,612,279.70 and 74,134,351.80
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Solution
The fourth proportional to 217,741,519.80, 326,612,279.70 and 74,134,351.80 is: 111,201,527.70
Step by Step Solution
- Step 1: Write the proportion equation
217,741,519.80 : 326,612,279.70 = 74,134,351.80 : x - Step 2: Convert to fraction form
217,741,519.80/326,612,279.70 = 74,134,351.80/x - Step 3: Cross multiply
217,741,519.80x = 326,612,279.70 × 74,134,351.80 - Step 4: Simplify right side
217,741,519.80x = 24,213,189,645,479,796 - Step 5: Solve for x
x = 24,213,189,645,479,796/217,741,519.80 - Step 6: Final answer
x = 111,201,527.70
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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.