Home / 83,984,139.90-125,957,304.45-30,131,451.90

Finding the Fourth Proportional to 83,984,139.90, 125,957,304.45 and 30,131,451.90

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Solution

The fourth proportional to 83,984,139.90, 125,957,304.45 and 30,131,451.90 is: 45,190,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984,139.90 : 125,957,304.45 = 30,131,451.90 : x
  2. Step 2: Convert to fraction form
    83,984,139.90/125,957,304.45 = 30,131,451.90/x
  3. Step 3: Cross multiply
    83,984,139.90x = 125,957,304.45 × 30,131,451.90
  4. Step 4: Simplify right side
    83,984,139.90x = 3,795,276,460,488,831
  5. Step 5: Solve for x
    x = 3,795,276,460,488,831/83,984,139.90
  6. Step 6: Final answer
    x = 45,190,395.06

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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.