Finding the Fourth Proportional to 271,022,610.69, 406,542,687.39 and 129,021,354.09
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Solution
The fourth proportional to 271,022,610.69, 406,542,687.39 and 129,021,354.09 is: 193,536,206.77
Step by Step Solution
- Step 1: Write the proportion equation
271,022,610.69 : 406,542,687.39 = 129,021,354.09 : x - Step 2: Convert to fraction form
271,022,610.69/406,542,687.39 = 129,021,354.09/x - Step 3: Cross multiply
271,022,610.69x = 406,542,687.39 × 129,021,354.09 - Step 4: Simplify right side
271,022,610.69x = 52,452,688,022,445,368 - Step 5: Solve for x
x = 52,452,688,022,445,368/271,022,610.69 - Step 6: Final answer
x = 193,536,206.77
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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.