Finding the Fourth Proportional to 271,497,193.20, 407,245,789.80 and 98,979,634.80
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Solution
The fourth proportional to 271,497,193.20, 407,245,789.80 and 98,979,634.80 is: 148,469,452.20
Step by Step Solution
- Step 1: Write the proportion equation
271,497,193.20 : 407,245,789.80 = 98,979,634.80 : x - Step 2: Convert to fraction form
271,497,193.20/407,245,789.80 = 98,979,634.80/x - Step 3: Cross multiply
271,497,193.20x = 407,245,789.80 × 98,979,634.80 - Step 4: Simplify right side
271,497,193.20x = 40,309,039,548,241,568 - Step 5: Solve for x
x = 40,309,039,548,241,568/271,497,193.20 - Step 6: Final answer
x = 148,469,452.20
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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.