Home / 109,729,007.20-164,518,861.20-52,248,815.20

Finding the Fourth Proportional to 109,729,007.20, 164,518,861.20 and 52,248,815.20

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Solution

The fourth proportional to 109,729,007.20, 164,518,861.20 and 52,248,815.20 is: 78,337,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,729,007.20 : 164,518,861.20 = 52,248,815.20 : x
  2. Step 2: Convert to fraction form
    109,729,007.20/164,518,861.20 = 52,248,815.20/x
  3. Step 3: Cross multiply
    109,729,007.20x = 164,518,861.20 × 52,248,815.20
  4. Step 4: Simplify right side
    109,729,007.20x = 8,595,915,575,753,250
  5. Step 5: Solve for x
    x = 8,595,915,575,753,250/109,729,007.20
  6. Step 6: Final answer
    x = 78,337,677.48

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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.