Home / 131,866,439.58-197,797,294.98-54,126,462.78

Finding the Fourth Proportional to 131,866,439.58, 197,797,294.98 and 54,126,462.78

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Solution

The fourth proportional to 131,866,439.58, 197,797,294.98 and 54,126,462.78 is: 81,188,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,866,439.58 : 197,797,294.98 = 54,126,462.78 : x
  2. Step 2: Convert to fraction form
    131,866,439.58/197,797,294.98 = 54,126,462.78/x
  3. Step 3: Cross multiply
    131,866,439.58x = 197,797,294.98 × 54,126,462.78
  4. Step 4: Simplify right side
    131,866,439.58x = 10,706,067,924,719,650
  5. Step 5: Solve for x
    x = 10,706,067,924,719,650/131,866,439.58
  6. Step 6: Final answer
    x = 81,188,723.67

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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.