Home / 123,837,630.60-185,755,789.80-31,721,190.60

Finding the Fourth Proportional to 123,837,630.60, 185,755,789.80 and 31,721,190.60

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Solution

The fourth proportional to 123,837,630.60, 185,755,789.80 and 31,721,190.60 is: 47,581,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837,630.60 : 185,755,789.80 = 31,721,190.60 : x
  2. Step 2: Convert to fraction form
    123,837,630.60/185,755,789.80 = 31,721,190.60/x
  3. Step 3: Cross multiply
    123,837,630.60x = 185,755,789.80 × 31,721,190.60
  4. Step 4: Simplify right side
    123,837,630.60x = 5,892,394,813,299,337
  5. Step 5: Solve for x
    x = 5,892,394,813,299,337/123,837,630.60
  6. Step 6: Final answer
    x = 47,581,617.84

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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.