Home / 107,843,486.10-161,765,229.15-80,969,630.10

Finding the Fourth Proportional to 107,843,486.10, 161,765,229.15 and 80,969,630.10

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Solution

The fourth proportional to 107,843,486.10, 161,765,229.15 and 80,969,630.10 is: 121,454,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,843,486.10 : 161,765,229.15 = 80,969,630.10 : x
  2. Step 2: Convert to fraction form
    107,843,486.10/161,765,229.15 = 80,969,630.10/x
  3. Step 3: Cross multiply
    107,843,486.10x = 161,765,229.15 × 80,969,630.10
  4. Step 4: Simplify right side
    107,843,486.10x = 13,098,070,767,317,236
  5. Step 5: Solve for x
    x = 13,098,070,767,317,236/107,843,486.10
  6. Step 6: Final answer
    x = 121,454,445.15

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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.