Home / 81,676,844.10-122,160,972.15-73,102,929.30

Finding the Fourth Proportional to 81,676,844.10, 122,160,972.15 and 73,102,929.30

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Solution

The fourth proportional to 81,676,844.10, 122,160,972.15 and 73,102,929.30 is: 109,337,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,676,844.10 : 122,160,972.15 = 73,102,929.30 : x
  2. Step 2: Convert to fraction form
    81,676,844.10/122,160,972.15 = 73,102,929.30/x
  3. Step 3: Cross multiply
    81,676,844.10x = 122,160,972.15 × 73,102,929.30
  4. Step 4: Simplify right side
    81,676,844.10x = 8,930,324,910,300,719
  5. Step 5: Solve for x
    x = 8,930,324,910,300,719/81,676,844.10
  6. Step 6: Final answer
    x = 109,337,291.48

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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.