Home / 99,851,908.20-149,794,451.10-39,269,610.60

Finding the Fourth Proportional to 99,851,908.20, 149,794,451.10 and 39,269,610.60

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Solution

The fourth proportional to 99,851,908.20, 149,794,451.10 and 39,269,610.60 is: 58,910,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,851,908.20 : 149,794,451.10 = 39,269,610.60 : x
  2. Step 2: Convert to fraction form
    99,851,908.20/149,794,451.10 = 39,269,610.60/x
  3. Step 3: Cross multiply
    99,851,908.20x = 149,794,451.10 × 39,269,610.60
  4. Step 4: Simplify right side
    99,851,908.20x = 5,882,369,764,737,742
  5. Step 5: Solve for x
    x = 5,882,369,764,737,742/99,851,908.20
  6. Step 6: Final answer
    x = 58,910,939.92

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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.