Home / 54,951,456.40-82,468,138.20-20,939,232.40

Finding the Fourth Proportional to 54,951,456.40, 82,468,138.20 and 20,939,232.40

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Solution

The fourth proportional to 54,951,456.40, 82,468,138.20 and 20,939,232.40 is: 31,424,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,951,456.40 : 82,468,138.20 = 20,939,232.40 : x
  2. Step 2: Convert to fraction form
    54,951,456.40/82,468,138.20 = 20,939,232.40/x
  3. Step 3: Cross multiply
    54,951,456.40x = 82,468,138.20 × 20,939,232.40
  4. Step 4: Simplify right side
    54,951,456.40x = 1,726,819,511,365,117.50
  5. Step 5: Solve for x
    x = 1,726,819,511,365,117.50/54,951,456.40
  6. Step 6: Final answer
    x = 31,424,453.95

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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.