Home / 51,315,449.20-70,788,471.92-31,730,076.88

Finding the Fourth Proportional to 51,315,449.20, 70,788,471.92 and 31,730,076.88

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Solution

The fourth proportional to 51,315,449.20, 70,788,471.92 and 31,730,076.88 is: 43,770,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315,449.20 : 70,788,471.92 = 31,730,076.88 : x
  2. Step 2: Convert to fraction form
    51,315,449.20/70,788,471.92 = 31,730,076.88/x
  3. Step 3: Cross multiply
    51,315,449.20x = 70,788,471.92 × 31,730,076.88
  4. Step 4: Simplify right side
    51,315,449.20x = 2,246,123,656,239,321.25
  5. Step 5: Solve for x
    x = 2,246,123,656,239,321.25/51,315,449.20
  6. Step 6: Final answer
    x = 43,770,905.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.