Home / 100,113,906.30-150,170,859.45-42,591,723.90

Finding the Fourth Proportional to 100,113,906.30, 150,170,859.45 and 42,591,723.90

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Solution

The fourth proportional to 100,113,906.30, 150,170,859.45 and 42,591,723.90 is: 63,887,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,113,906.30 : 150,170,859.45 = 42,591,723.90 : x
  2. Step 2: Convert to fraction form
    100,113,906.30/150,170,859.45 = 42,591,723.90/x
  3. Step 3: Cross multiply
    100,113,906.30x = 150,170,859.45 × 42,591,723.90
  4. Step 4: Simplify right side
    100,113,906.30x = 6,396,035,783,520,105
  5. Step 5: Solve for x
    x = 6,396,035,783,520,105/100,113,906.30
  6. Step 6: Final answer
    x = 63,887,585.85

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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.