Home / 71,317,379.10-98,418,346.20-40,383,576.30

Finding the Fourth Proportional to 71,317,379.10, 98,418,346.20 and 40,383,576.30

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Solution

The fourth proportional to 71,317,379.10, 98,418,346.20 and 40,383,576.30 is: 55,729,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317,379.10 : 98,418,346.20 = 40,383,576.30 : x
  2. Step 2: Convert to fraction form
    71,317,379.10/98,418,346.20 = 40,383,576.30/x
  3. Step 3: Cross multiply
    71,317,379.10x = 98,418,346.20 × 40,383,576.30
  4. Step 4: Simplify right side
    71,317,379.10x = 3,974,484,793,087,515
  5. Step 5: Solve for x
    x = 3,974,484,793,087,515/71,317,379.10
  6. Step 6: Final answer
    x = 55,729,540.87

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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.