Home / 55,062,934.20-75,980,892.48-31,853,724.78

Finding the Fourth Proportional to 55,062,934.20, 75,980,892.48 and 31,853,724.78

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Solution

The fourth proportional to 55,062,934.20, 75,980,892.48 and 31,853,724.78 is: 43,954,694.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062,934.20 : 75,980,892.48 = 31,853,724.78 : x
  2. Step 2: Convert to fraction form
    55,062,934.20/75,980,892.48 = 31,853,724.78/x
  3. Step 3: Cross multiply
    55,062,934.20x = 75,980,892.48 × 31,853,724.78
  4. Step 4: Simplify right side
    55,062,934.20x = 2,420,274,437,596,692
  5. Step 5: Solve for x
    x = 2,420,274,437,596,692/55,062,934.20
  6. Step 6: Final answer
    x = 43,954,694.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.