Home / 41,472,139.20-62,208,208.80-20,238,475.20

Finding the Fourth Proportional to 41,472,139.20, 62,208,208.80 and 20,238,475.20

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Solution

The fourth proportional to 41,472,139.20, 62,208,208.80 and 20,238,475.20 is: 30,357,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,472,139.20 : 62,208,208.80 = 20,238,475.20 : x
  2. Step 2: Convert to fraction form
    41,472,139.20/62,208,208.80 = 20,238,475.20/x
  3. Step 3: Cross multiply
    41,472,139.20x = 62,208,208.80 × 20,238,475.20
  4. Step 4: Simplify right side
    41,472,139.20x = 1,258,999,291,035,221.75
  5. Step 5: Solve for x
    x = 1,258,999,291,035,221.75/41,472,139.20
  6. Step 6: Final answer
    x = 30,357,712.80

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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.