Home / 57,981,854.25-80,012,920.10-31,876,182

Finding the Fourth Proportional to 57,981,854.25, 80,012,920.10 and 31,876,182

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Solution

The fourth proportional to 57,981,854.25, 80,012,920.10 and 31,876,182 is: 43,988,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981,854.25 : 80,012,920.10 = 31,876,182 : x
  2. Step 2: Convert to fraction form
    57,981,854.25/80,012,920.10 = 31,876,182/x
  3. Step 3: Cross multiply
    57,981,854.25x = 80,012,920.10 × 31,876,182
  4. Step 4: Simplify right side
    57,981,854.25x = 2,550,506,403,299,677.50
  5. Step 5: Solve for x
    x = 2,550,506,403,299,677.50/57,981,854.25
  6. Step 6: Final answer
    x = 43,988,010.32

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1.5x scale

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.