Home / 362,003,027.10-543,004,540.65-131,979,615.90

Finding the Fourth Proportional to 362,003,027.10, 543,004,540.65 and 131,979,615.90

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Solution

The fourth proportional to 362,003,027.10, 543,004,540.65 and 131,979,615.90 is: 197,969,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003,027.10 : 543,004,540.65 = 131,979,615.90 : x
  2. Step 2: Convert to fraction form
    362,003,027.10/543,004,540.65 = 131,979,615.90/x
  3. Step 3: Cross multiply
    362,003,027.10x = 543,004,540.65 × 131,979,615.90
  4. Step 4: Simplify right side
    362,003,027.10x = 71,665,530,706,942,936
  5. Step 5: Solve for x
    x = 71,665,530,706,942,936/362,003,027.10
  6. Step 6: Final answer
    x = 197,969,423.85

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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.