Home / 45,517,077.20-68,275,615.80-45,198,212.60

Finding the Fourth Proportional to 45,517,077.20, 68,275,615.80 and 45,198,212.60

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Solution

The fourth proportional to 45,517,077.20, 68,275,615.80 and 45,198,212.60 is: 67,797,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517,077.20 : 68,275,615.80 = 45,198,212.60 : x
  2. Step 2: Convert to fraction form
    45,517,077.20/68,275,615.80 = 45,198,212.60/x
  3. Step 3: Cross multiply
    45,517,077.20x = 68,275,615.80 × 45,198,212.60
  4. Step 4: Simplify right side
    45,517,077.20x = 3,085,935,798,324,319
  5. Step 5: Solve for x
    x = 3,085,935,798,324,319/45,517,077.20
  6. Step 6: Final answer
    x = 67,797,318.90

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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.