Home / 82,466,905.20-123,594,069.60-50,084,433.60

Finding the Fourth Proportional to 82,466,905.20, 123,594,069.60 and 50,084,433.60

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Solution

The fourth proportional to 82,466,905.20, 123,594,069.60 and 50,084,433.60 is: 75,062,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,466,905.20 : 123,594,069.60 = 50,084,433.60 : x
  2. Step 2: Convert to fraction form
    82,466,905.20/123,594,069.60 = 50,084,433.60/x
  3. Step 3: Cross multiply
    82,466,905.20x = 123,594,069.60 × 50,084,433.60
  4. Step 4: Simplify right side
    82,466,905.20x = 6,190,138,972,234,978
  5. Step 5: Solve for x
    x = 6,190,138,972,234,978/82,466,905.20
  6. Step 6: Final answer
    x = 75,062,098.63

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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.