Home / 215,861,606.76-323,815,113.20-70,306,522.95

Finding the Fourth Proportional to 215,861,606.76, 323,815,113.20 and 70,306,522.95

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Solution

The fourth proportional to 215,861,606.76, 323,815,113.20 and 70,306,522.95 is: 105,467,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,861,606.76 : 323,815,113.20 = 70,306,522.95 : x
  2. Step 2: Convert to fraction form
    215,861,606.76/323,815,113.20 = 70,306,522.95/x
  3. Step 3: Cross multiply
    215,861,606.76x = 323,815,113.20 × 70,306,522.95
  4. Step 4: Simplify right side
    215,861,606.76x = 22,766,314,687,752,648
  5. Step 5: Solve for x
    x = 22,766,314,687,752,648/215,861,606.76
  6. Step 6: Final answer
    x = 105,467,178.85

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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.