Home / 230,868,412.80-318,598,716.82-125,022,010.54

Finding the Fourth Proportional to 230,868,412.80, 318,598,716.82 and 125,022,010.54

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Solution

The fourth proportional to 230,868,412.80, 318,598,716.82 and 125,022,010.54 is: 172,530,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,868,412.80 : 318,598,716.82 = 125,022,010.54 : x
  2. Step 2: Convert to fraction form
    230,868,412.80/318,598,716.82 = 125,022,010.54/x
  3. Step 3: Cross multiply
    230,868,412.80x = 318,598,716.82 × 125,022,010.54
  4. Step 4: Simplify right side
    230,868,412.80x = 39,831,852,132,300,520
  5. Step 5: Solve for x
    x = 39,831,852,132,300,520/230,868,412.80
  6. Step 6: Final answer
    x = 172,530,540.88

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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.