Home / 230,868,380.88-318,598,672.94-125,021,978.85

Finding the Fourth Proportional to 230,868,380.88, 318,598,672.94 and 125,021,978.85

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Solution

The fourth proportional to 230,868,380.88, 318,598,672.94 and 125,021,978.85 is: 172,530,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,868,380.88 : 318,598,672.94 = 125,021,978.85 : x
  2. Step 2: Convert to fraction form
    230,868,380.88/318,598,672.94 = 125,021,978.85/x
  3. Step 3: Cross multiply
    230,868,380.88x = 318,598,672.94 × 125,021,978.85
  4. Step 4: Simplify right side
    230,868,380.88x = 39,831,836,549,942,744
  5. Step 5: Solve for x
    x = 39,831,836,549,942,744/230,868,380.88
  6. Step 6: Final answer
    x = 172,530,497.24

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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.