Home / 149,645,520.48-206,508,867.57-83,567,179.92

Finding the Fourth Proportional to 149,645,520.48, 206,508,867.57 and 83,567,179.92

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Solution

The fourth proportional to 149,645,520.48, 206,508,867.57 and 83,567,179.92 is: 115,321,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,645,520.48 : 206,508,867.57 = 83,567,179.92 : x
  2. Step 2: Convert to fraction form
    149,645,520.48/206,508,867.57 = 83,567,179.92/x
  3. Step 3: Cross multiply
    149,645,520.48x = 206,508,867.57 × 83,567,179.92
  4. Step 4: Simplify right side
    149,645,520.48x = 17,257,363,691,297,642
  5. Step 5: Solve for x
    x = 17,257,363,691,297,642/149,645,520.48
  6. Step 6: Final answer
    x = 115,321,618.96

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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.