Home / 79,267,040.10-118,900,560.15-25,419,795.30

Finding the Fourth Proportional to 79,267,040.10, 118,900,560.15 and 25,419,795.30

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Solution

The fourth proportional to 79,267,040.10, 118,900,560.15 and 25,419,795.30 is: 38,129,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267,040.10 : 118,900,560.15 = 25,419,795.30 : x
  2. Step 2: Convert to fraction form
    79,267,040.10/118,900,560.15 = 25,419,795.30/x
  3. Step 3: Cross multiply
    79,267,040.10x = 118,900,560.15 × 25,419,795.30
  4. Step 4: Simplify right side
    79,267,040.10x = 3,022,427,900,068,337.50
  5. Step 5: Solve for x
    x = 3,022,427,900,068,337.50/79,267,040.10
  6. Step 6: Final answer
    x = 38,129,692.95

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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.