Home / 80,943,796.40-121,373,704.20-29,799,489.20

Finding the Fourth Proportional to 80,943,796.40, 121,373,704.20 and 29,799,489.20

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Solution

The fourth proportional to 80,943,796.40, 121,373,704.20 and 29,799,489.20 is: 44,683,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,943,796.40 : 121,373,704.20 = 29,799,489.20 : x
  2. Step 2: Convert to fraction form
    80,943,796.40/121,373,704.20 = 29,799,489.20/x
  3. Step 3: Cross multiply
    80,943,796.40x = 121,373,704.20 × 29,799,489.20
  4. Step 4: Simplify right side
    80,943,796.40x = 3,616,874,387,471,894.50
  5. Step 5: Solve for x
    x = 3,616,874,387,471,894.50/80,943,796.40
  6. Step 6: Final answer
    x = 44,683,775.02

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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.