Home / 81,201,572.46-121,753,714.62-25,845,496.92

Finding the Fourth Proportional to 81,201,572.46, 121,753,714.62 and 25,845,496.92

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Solution

The fourth proportional to 81,201,572.46, 121,753,714.62 and 25,845,496.92 is: 38,752,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,201,572.46 : 121,753,714.62 = 25,845,496.92 : x
  2. Step 2: Convert to fraction form
    81,201,572.46/121,753,714.62 = 25,845,496.92/x
  3. Step 3: Cross multiply
    81,201,572.46x = 121,753,714.62 × 25,845,496.92
  4. Step 4: Simplify right side
    81,201,572.46x = 3,146,785,256,209,769.50
  5. Step 5: Solve for x
    x = 3,146,785,256,209,769.50/81,201,572.46
  6. Step 6: Final answer
    x = 38,752,762.55

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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.