Home / 69,268,312.54-103,873,233.48-20,753,061.22

Finding the Fourth Proportional to 69,268,312.54, 103,873,233.48 and 20,753,061.22

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Solution

The fourth proportional to 69,268,312.54, 103,873,233.48 and 20,753,061.22 is: 31,120,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,268,312.54 : 103,873,233.48 = 20,753,061.22 : x
  2. Step 2: Convert to fraction form
    69,268,312.54/103,873,233.48 = 20,753,061.22/x
  3. Step 3: Cross multiply
    69,268,312.54x = 103,873,233.48 × 20,753,061.22
  4. Step 4: Simplify right side
    69,268,312.54x = 2,155,687,573,529,793.50
  5. Step 5: Solve for x
    x = 2,155,687,573,529,793.50/69,268,312.54
  6. Step 6: Final answer
    x = 31,120,832.81

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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.