Home / 402,422,003.56-603,632,251.92-126,094,371.88

Finding the Fourth Proportional to 402,422,003.56, 603,632,251.92 and 126,094,371.88

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Solution

The fourth proportional to 402,422,003.56, 603,632,251.92 and 126,094,371.88 is: 189,141,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,003.56 : 603,632,251.92 = 126,094,371.88 : x
  2. Step 2: Convert to fraction form
    402,422,003.56/603,632,251.92 = 126,094,371.88/x
  3. Step 3: Cross multiply
    402,422,003.56x = 603,632,251.92 × 126,094,371.88
  4. Step 4: Simplify right side
    402,422,003.56x = 76,114,629,652,362,320
  5. Step 5: Solve for x
    x = 76,114,629,652,362,320/402,422,003.56
  6. Step 6: Final answer
    x = 189,141,321.74

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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.