Home / 124,703,743.20-187,059,891.60-38,441,464.80

Finding the Fourth Proportional to 124,703,743.20, 187,059,891.60 and 38,441,464.80

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Solution

The fourth proportional to 124,703,743.20, 187,059,891.60 and 38,441,464.80 is: 57,663,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,703,743.20 : 187,059,891.60 = 38,441,464.80 : x
  2. Step 2: Convert to fraction form
    124,703,743.20/187,059,891.60 = 38,441,464.80/x
  3. Step 3: Cross multiply
    124,703,743.20x = 187,059,891.60 × 38,441,464.80
  4. Step 4: Simplify right side
    124,703,743.20x = 7,190,856,238,433,215
  5. Step 5: Solve for x
    x = 7,190,856,238,433,215/124,703,743.20
  6. Step 6: Final answer
    x = 57,663,515.58

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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.