Home / 138,024,462.60-206,860,859.10-73,359,246.60

Finding the Fourth Proportional to 138,024,462.60, 206,860,859.10 and 73,359,246.60

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Solution

The fourth proportional to 138,024,462.60, 206,860,859.10 and 73,359,246.60 is: 109,945,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,024,462.60 : 206,860,859.10 = 73,359,246.60 : x
  2. Step 2: Convert to fraction form
    138,024,462.60/206,860,859.10 = 73,359,246.60/x
  3. Step 3: Cross multiply
    138,024,462.60x = 206,860,859.10 × 73,359,246.60
  4. Step 4: Simplify right side
    138,024,462.60x = 15,175,156,774,604,752
  5. Step 5: Solve for x
    x = 15,175,156,774,604,752/138,024,462.60
  6. Step 6: Final answer
    x = 109,945,414.67

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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.