Home / 83,096,859.76-124,647,828.92-28,508,679.52

Finding the Fourth Proportional to 83,096,859.76, 124,647,828.92 and 28,508,679.52

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Solution

The fourth proportional to 83,096,859.76, 124,647,828.92 and 28,508,679.52 is: 42,763,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,096,859.76 : 124,647,828.92 = 28,508,679.52 : x
  2. Step 2: Convert to fraction form
    83,096,859.76/124,647,828.92 = 28,508,679.52/x
  3. Step 3: Cross multiply
    83,096,859.76x = 124,647,828.92 × 28,508,679.52
  4. Step 4: Simplify right side
    83,096,859.76x = 3,553,545,007,544,067.50
  5. Step 5: Solve for x
    x = 3,553,545,007,544,067.50/83,096,859.76
  6. Step 6: Final answer
    x = 42,763,890.45

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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.