Finding the Fourth Proportional to 57,948,117.80, 86,932,674.30 and 29,121,708.20
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Solution
The fourth proportional to 57,948,117.80, 86,932,674.30 and 29,121,708.20 is: 43,687,837.85
Step by Step Solution
- Step 1: Write the proportion equation
57,948,117.80 : 86,932,674.30 = 29,121,708.20 : x - Step 2: Convert to fraction form
57,948,117.80/86,932,674.30 = 29,121,708.20/x - Step 3: Cross multiply
57,948,117.80x = 86,932,674.30 × 29,121,708.20 - Step 4: Simplify right side
57,948,117.80x = 2,531,627,974,010,239 - Step 5: Solve for x
x = 2,531,627,974,010,239/57,948,117.80 - Step 6: Final answer
x = 43,687,837.85
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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.