Finding the Fourth Proportional to 123,430,180.99, 185,149,174.26 and 45,726,531.63
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Solution
The fourth proportional to 123,430,180.99, 185,149,174.26 and 45,726,531.63 is: 68,591,243.28
Step by Step Solution
- Step 1: Write the proportion equation
123,430,180.99 : 185,149,174.26 = 45,726,531.63 : x - Step 2: Convert to fraction form
123,430,180.99/185,149,174.26 = 45,726,531.63/x - Step 3: Cross multiply
123,430,180.99x = 185,149,174.26 × 45,726,531.63 - Step 4: Simplify right side
123,430,180.99x = 8,466,229,572,288,454 - Step 5: Solve for x
x = 8,466,229,572,288,454/123,430,180.99 - Step 6: Final answer
x = 68,591,243.28
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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.