Home / 83,231,995.20-124,847,992.80-54,510,561.60

Finding the Fourth Proportional to 83,231,995.20, 124,847,992.80 and 54,510,561.60

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Solution

The fourth proportional to 83,231,995.20, 124,847,992.80 and 54,510,561.60 is: 81,765,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,231,995.20 : 124,847,992.80 = 54,510,561.60 : x
  2. Step 2: Convert to fraction form
    83,231,995.20/124,847,992.80 = 54,510,561.60/x
  3. Step 3: Cross multiply
    83,231,995.20x = 124,847,992.80 × 54,510,561.60
  4. Step 4: Simplify right side
    83,231,995.20x = 6,805,534,202,160,757
  5. Step 5: Solve for x
    x = 6,805,534,202,160,757/83,231,995.20
  6. Step 6: Final answer
    x = 81,765,842.40

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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.