Home / 252,753,747.60-379,130,621.40-123,444,310.80

Finding the Fourth Proportional to 252,753,747.60, 379,130,621.40 and 123,444,310.80

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Solution

The fourth proportional to 252,753,747.60, 379,130,621.40 and 123,444,310.80 is: 185,166,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,753,747.60 : 379,130,621.40 = 123,444,310.80 : x
  2. Step 2: Convert to fraction form
    252,753,747.60/379,130,621.40 = 123,444,310.80/x
  3. Step 3: Cross multiply
    252,753,747.60x = 379,130,621.40 × 123,444,310.80
  4. Step 4: Simplify right side
    252,753,747.60x = 46,801,518,261,898,728
  5. Step 5: Solve for x
    x = 46,801,518,261,898,728/252,753,747.60
  6. Step 6: Final answer
    x = 185,166,466.20

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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.