Home / 252,820,336.95-379,230,505.43-129,827,174.85

Finding the Fourth Proportional to 252,820,336.95, 379,230,505.43 and 129,827,174.85

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Solution

The fourth proportional to 252,820,336.95, 379,230,505.43 and 129,827,174.85 is: 194,740,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,820,336.95 : 379,230,505.43 = 129,827,174.85 : x
  2. Step 2: Convert to fraction form
    252,820,336.95/379,230,505.43 = 129,827,174.85/x
  3. Step 3: Cross multiply
    252,820,336.95x = 379,230,505.43 × 129,827,174.85
  4. Step 4: Simplify right side
    252,820,336.95x = 49,234,425,136,265,344
  5. Step 5: Solve for x
    x = 49,234,425,136,265,344/252,820,336.95
  6. Step 6: Final answer
    x = 194,740,762.28

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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.