Home / 57,352,562.30-86,016,887.85-20,978,086.70

Finding the Fourth Proportional to 57,352,562.30, 86,016,887.85 and 20,978,086.70

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Solution

The fourth proportional to 57,352,562.30, 86,016,887.85 and 20,978,086.70 is: 31,462,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352,562.30 : 86,016,887.85 = 20,978,086.70 : x
  2. Step 2: Convert to fraction form
    57,352,562.30/86,016,887.85 = 20,978,086.70/x
  3. Step 3: Cross multiply
    57,352,562.30x = 86,016,887.85 × 20,978,086.70
  4. Step 4: Simplify right side
    57,352,562.30x = 1,804,469,730,981,476.50
  5. Step 5: Solve for x
    x = 1,804,469,730,981,476.50/57,352,562.30
  6. Step 6: Final answer
    x = 31,462,757.00

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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.