Home / 51,981,815-71,732,062.74-28,455,800.68

Finding the Fourth Proportional to 51,981,815, 71,732,062.74 and 28,455,800.68

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Solution

The fourth proportional to 51,981,815, 71,732,062.74 and 28,455,800.68 is: 39,267,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,815 : 71,732,062.74 = 28,455,800.68 : x
  2. Step 2: Convert to fraction form
    51,981,815/71,732,062.74 = 28,455,800.68/x
  3. Step 3: Cross multiply
    51,981,815x = 71,732,062.74 × 28,455,800.68
  4. Step 4: Simplify right side
    51,981,815x = 2,041,193,279,694,694.50
  5. Step 5: Solve for x
    x = 2,041,193,279,694,694.50/51,981,815
  6. Step 6: Final answer
    x = 39,267,449.20

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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.