Home / 218,824,878.31-327,711,301.56-125,167,993.42

Finding the Fourth Proportional to 218,824,878.31, 327,711,301.56 and 125,167,993.42

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Solution

The fourth proportional to 218,824,878.31, 327,711,301.56 and 125,167,993.42 is: 187,451,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,824,878.31 : 327,711,301.56 = 125,167,993.42 : x
  2. Step 2: Convert to fraction form
    218,824,878.31/327,711,301.56 = 125,167,993.42/x
  3. Step 3: Cross multiply
    218,824,878.31x = 327,711,301.56 × 125,167,993.42
  4. Step 4: Simplify right side
    218,824,878.31x = 41,018,966,037,321,720
  5. Step 5: Solve for x
    x = 41,018,966,037,321,720/218,824,878.31
  6. Step 6: Final answer
    x = 187,451,108.64

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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.