Home / 231,195,031.70-318,740,505.99-183,667,978.61

Finding the Fourth Proportional to 231,195,031.70, 318,740,505.99 and 183,667,978.61

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Solution

The fourth proportional to 231,195,031.70, 318,740,505.99 and 183,667,978.61 is: 253,216,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,195,031.70 : 318,740,505.99 = 183,667,978.61 : x
  2. Step 2: Convert to fraction form
    231,195,031.70/318,740,505.99 = 183,667,978.61/x
  3. Step 3: Cross multiply
    231,195,031.70x = 318,740,505.99 × 183,667,978.61
  4. Step 4: Simplify right side
    231,195,031.70x = 58,542,424,434,718,192
  5. Step 5: Solve for x
    x = 58,542,424,434,718,192/231,195,031.70
  6. Step 6: Final answer
    x = 253,216,619.78

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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.