Home / 54,169,367.94-81,253,110.82-21,820,443.56

Finding the Fourth Proportional to 54,169,367.94, 81,253,110.82 and 21,820,443.56

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Solution

The fourth proportional to 54,169,367.94, 81,253,110.82 and 21,820,443.56 is: 32,730,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169,367.94 : 81,253,110.82 = 21,820,443.56 : x
  2. Step 2: Convert to fraction form
    54,169,367.94/81,253,110.82 = 21,820,443.56/x
  3. Step 3: Cross multiply
    54,169,367.94x = 81,253,110.82 × 21,820,443.56
  4. Step 4: Simplify right side
    54,169,367.94x = 1,772,978,918,722,235
  5. Step 5: Solve for x
    x = 1,772,978,918,722,235/54,169,367.94
  6. Step 6: Final answer
    x = 32,730,286.25

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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.