Finding the Fourth Proportional to 53,581,528.60, 80,372,292.90 and 19,498,445.80
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Solution
The fourth proportional to 53,581,528.60, 80,372,292.90 and 19,498,445.80 is: 29,247,668.70
Step by Step Solution
- Step 1: Write the proportion equation
53,581,528.60 : 80,372,292.90 = 19,498,445.80 : x - Step 2: Convert to fraction form
53,581,528.60/80,372,292.90 = 19,498,445.80/x - Step 3: Cross multiply
53,581,528.60x = 80,372,292.90 × 19,498,445.80 - Step 4: Simplify right side
53,581,528.60x = 1,567,134,796,932,375 - Step 5: Solve for x
x = 1,567,134,796,932,375/53,581,528.60 - Step 6: Final answer
x = 29,247,668.70
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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.