Home / 57,981,858.50-80,012,925.96-31,876,186.26

Finding the Fourth Proportional to 57,981,858.50, 80,012,925.96 and 31,876,186.26

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Solution

The fourth proportional to 57,981,858.50, 80,012,925.96 and 31,876,186.26 is: 43,988,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981,858.50 : 80,012,925.96 = 31,876,186.26 : x
  2. Step 2: Convert to fraction form
    57,981,858.50/80,012,925.96 = 31,876,186.26/x
  3. Step 3: Cross multiply
    57,981,858.50x = 80,012,925.96 × 31,876,186.26
  4. Step 4: Simplify right side
    57,981,858.50x = 2,550,506,931,108,549
  5. Step 5: Solve for x
    x = 2,550,506,931,108,549/57,981,858.50
  6. Step 6: Final answer
    x = 43,988,016.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.