Home / 54,169,393.44-81,253,149.04-21,820,469.07

Finding the Fourth Proportional to 54,169,393.44, 81,253,149.04 and 21,820,469.07

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Solution

The fourth proportional to 54,169,393.44, 81,253,149.04 and 21,820,469.07 is: 32,730,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169,393.44 : 81,253,149.04 = 21,820,469.07 : x
  2. Step 2: Convert to fraction form
    54,169,393.44/81,253,149.04 = 21,820,469.07/x
  3. Step 3: Cross multiply
    54,169,393.44x = 81,253,149.04 × 21,820,469.07
  4. Step 4: Simplify right side
    54,169,393.44x = 1,772,981,825,358,317.75
  5. Step 5: Solve for x
    x = 1,772,981,825,358,317.75/54,169,393.44
  6. Step 6: Final answer
    x = 32,730,324.50

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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.