Finding the Fourth Proportional to 88,707,251.80, 133,080,231.30 and 50,387,123.80
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Solution
The fourth proportional to 88,707,251.80, 133,080,231.30 and 50,387,123.80 is: 75,591,678.85
Step by Step Solution
- Step 1: Write the proportion equation
88,707,251.80 : 133,080,231.30 = 50,387,123.80 : x - Step 2: Convert to fraction form
88,707,251.80/133,080,231.30 = 50,387,123.80/x - Step 3: Cross multiply
88,707,251.80x = 133,080,231.30 × 50,387,123.80 - Step 4: Simplify right side
88,707,251.80x = 6,705,530,089,845,734 - Step 5: Solve for x
x = 6,705,530,089,845,734/88,707,251.80 - Step 6: Final answer
x = 75,591,678.85
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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.