Home / 231,143,469.62-318,977,911.31-126,719,298.92

Finding the Fourth Proportional to 231,143,469.62, 318,977,911.31 and 126,719,298.92

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Solution

The fourth proportional to 231,143,469.62, 318,977,911.31 and 126,719,298.92 is: 174,872,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,143,469.62 : 318,977,911.31 = 126,719,298.92 : x
  2. Step 2: Convert to fraction form
    231,143,469.62/318,977,911.31 = 126,719,298.92/x
  3. Step 3: Cross multiply
    231,143,469.62x = 318,977,911.31 × 126,719,298.92
  4. Step 4: Simplify right side
    231,143,469.62x = 40,420,657,292,332,984
  5. Step 5: Solve for x
    x = 40,420,657,292,332,984/231,143,469.62
  6. Step 6: Final answer
    x = 174,872,590.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.