Home / 168,491,489.20-252,737,233.80-149,359,613.20

Finding the Fourth Proportional to 168,491,489.20, 252,737,233.80 and 149,359,613.20

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Solution

The fourth proportional to 168,491,489.20, 252,737,233.80 and 149,359,613.20 is: 224,039,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,491,489.20 : 252,737,233.80 = 149,359,613.20 : x
  2. Step 2: Convert to fraction form
    168,491,489.20/252,737,233.80 = 149,359,613.20/x
  3. Step 3: Cross multiply
    168,491,489.20x = 252,737,233.80 × 149,359,613.20
  4. Step 4: Simplify right side
    168,491,489.20x = 37,748,735,481,605,968
  5. Step 5: Solve for x
    x = 37,748,735,481,605,968/168,491,489.20
  6. Step 6: Final answer
    x = 224,039,419.80

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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.