Home / 272,245,658.20-408,368,487.30-90,469,216.60

Finding the Fourth Proportional to 272,245,658.20, 408,368,487.30 and 90,469,216.60

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Solution

The fourth proportional to 272,245,658.20, 408,368,487.30 and 90,469,216.60 is: 135,703,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,245,658.20 : 408,368,487.30 = 90,469,216.60 : x
  2. Step 2: Convert to fraction form
    272,245,658.20/408,368,487.30 = 90,469,216.60/x
  3. Step 3: Cross multiply
    272,245,658.20x = 408,368,487.30 × 90,469,216.60
  4. Step 4: Simplify right side
    272,245,658.20x = 36,944,777,130,158,048
  5. Step 5: Solve for x
    x = 36,944,777,130,158,048/272,245,658.20
  6. Step 6: Final answer
    x = 135,703,824.90

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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.