Home / 40,108,645.17-60,185,321.69-21,664,217.79

Finding the Fourth Proportional to 40,108,645.17, 60,185,321.69 and 21,664,217.79

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Solution

The fourth proportional to 40,108,645.17, 60,185,321.69 and 21,664,217.79 is: 32,508,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108,645.17 : 60,185,321.69 = 21,664,217.79 : x
  2. Step 2: Convert to fraction form
    40,108,645.17/60,185,321.69 = 21,664,217.79/x
  3. Step 3: Cross multiply
    40,108,645.17x = 60,185,321.69 × 21,664,217.79
  4. Step 4: Simplify right side
    40,108,645.17x = 1,303,867,916,745,049.75
  5. Step 5: Solve for x
    x = 1,303,867,916,745,049.75/40,108,645.17
  6. Step 6: Final answer
    x = 32,508,400.90

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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.