Home / 83,003,201.20-124,504,801.80-81,727,742.80

Finding the Fourth Proportional to 83,003,201.20, 124,504,801.80 and 81,727,742.80

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Solution

The fourth proportional to 83,003,201.20, 124,504,801.80 and 81,727,742.80 is: 122,591,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,003,201.20 : 124,504,801.80 = 81,727,742.80 : x
  2. Step 2: Convert to fraction form
    83,003,201.20/124,504,801.80 = 81,727,742.80/x
  3. Step 3: Cross multiply
    83,003,201.20x = 124,504,801.80 × 81,727,742.80
  4. Step 4: Simplify right side
    83,003,201.20x = 10,175,496,418,875,376
  5. Step 5: Solve for x
    x = 10,175,496,418,875,376/83,003,201.20
  6. Step 6: Final answer
    x = 122,591,614.20

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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.