Home / 90,933,373.67-125,488,105.92-49,117,438.72

Finding the Fourth Proportional to 90,933,373.67, 125,488,105.92 and 49,117,438.72

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Solution

The fourth proportional to 90,933,373.67, 125,488,105.92 and 49,117,438.72 is: 67,782,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933,373.67 : 125,488,105.92 = 49,117,438.72 : x
  2. Step 2: Convert to fraction form
    90,933,373.67/125,488,105.92 = 49,117,438.72/x
  3. Step 3: Cross multiply
    90,933,373.67x = 125,488,105.92 × 49,117,438.72
  4. Step 4: Simplify right side
    90,933,373.67x = 6,163,654,352,614,469
  5. Step 5: Solve for x
    x = 6,163,654,352,614,469/90,933,373.67
  6. Step 6: Final answer
    x = 67,782,092.58

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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.