Home / 318,179,856.11-439,037,610.26-178,923,724.61

Finding the Fourth Proportional to 318,179,856.11, 439,037,610.26 and 178,923,724.61

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Solution

The fourth proportional to 318,179,856.11, 439,037,610.26 and 178,923,724.61 is: 246,886,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,179,856.11 : 439,037,610.26 = 178,923,724.61 : x
  2. Step 2: Convert to fraction form
    318,179,856.11/439,037,610.26 = 178,923,724.61/x
  3. Step 3: Cross multiply
    318,179,856.11x = 439,037,610.26 × 178,923,724.61
  4. Step 4: Simplify right side
    318,179,856.11x = 78,554,244,468,502,944
  5. Step 5: Solve for x
    x = 78,554,244,468,502,944/318,179,856.11
  6. Step 6: Final answer
    x = 246,886,290.76

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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.