Finding the Fourth Proportional to 125,132,342.12, 187,708,748.21 and 62,851,632.15
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Solution
The fourth proportional to 125,132,342.12, 187,708,748.21 and 62,851,632.15 is: 94,282,589.09
Step by Step Solution
- Step 1: Write the proportion equation
125,132,342.12 : 187,708,748.21 = 62,851,632.15 : x - Step 2: Convert to fraction form
125,132,342.12/187,708,748.21 = 62,851,632.15/x - Step 3: Cross multiply
125,132,342.12x = 187,708,748.21 × 62,851,632.15 - Step 4: Simplify right side
125,132,342.12x = 11,797,801,193,517,634 - Step 5: Solve for x
x = 11,797,801,193,517,634/125,132,342.12 - Step 6: Final answer
x = 94,282,589.09
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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.