Home / 54,523,387.20-81,715,615.20-28,976,635.20

Finding the Fourth Proportional to 54,523,387.20, 81,715,615.20 and 28,976,635.20

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Solution

The fourth proportional to 54,523,387.20, 81,715,615.20 and 28,976,635.20 is: 43,428,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,523,387.20 : 81,715,615.20 = 28,976,635.20 : x
  2. Step 2: Convert to fraction form
    54,523,387.20/81,715,615.20 = 28,976,635.20/x
  3. Step 3: Cross multiply
    54,523,387.20x = 81,715,615.20 × 28,976,635.20
  4. Step 4: Simplify right side
    54,523,387.20x = 2,367,843,571,793,975
  5. Step 5: Solve for x
    x = 2,367,843,571,793,975/54,523,387.20
  6. Step 6: Final answer
    x = 43,428,035.08

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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.