Home / 275,451,757.83-380,140,719.44-151,692,431.31

Finding the Fourth Proportional to 275,451,757.83, 380,140,719.44 and 151,692,431.31

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Solution

The fourth proportional to 275,451,757.83, 380,140,719.44 and 151,692,431.31 is: 209,345,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,451,757.83 : 380,140,719.44 = 151,692,431.31 : x
  2. Step 2: Convert to fraction form
    275,451,757.83/380,140,719.44 = 151,692,431.31/x
  3. Step 3: Cross multiply
    275,451,757.83x = 380,140,719.44 × 151,692,431.31
  4. Step 4: Simplify right side
    275,451,757.83x = 57,664,469,971,027,720
  5. Step 5: Solve for x
    x = 57,664,469,971,027,720/275,451,757.83
  6. Step 6: Final answer
    x = 209,345,078.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.