Home / 69,268,311.54-103,873,231.98-20,753,060.22

Finding the Fourth Proportional to 69,268,311.54, 103,873,231.98 and 20,753,060.22

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Solution

The fourth proportional to 69,268,311.54, 103,873,231.98 and 20,753,060.22 is: 31,120,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,268,311.54 : 103,873,231.98 = 20,753,060.22 : x
  2. Step 2: Convert to fraction form
    69,268,311.54/103,873,231.98 = 20,753,060.22/x
  3. Step 3: Cross multiply
    69,268,311.54x = 103,873,231.98 × 20,753,060.22
  4. Step 4: Simplify right side
    69,268,311.54x = 2,155,687,438,526,969.75
  5. Step 5: Solve for x
    x = 2,155,687,438,526,969.75/69,268,311.54
  6. Step 6: Final answer
    x = 31,120,831.31

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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.