Home / 228,351,374.28-315,124,896.24-123,929,445.60

Finding the Fourth Proportional to 228,351,374.28, 315,124,896.24 and 123,929,445.60

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Solution

The fourth proportional to 228,351,374.28, 315,124,896.24 and 123,929,445.60 is: 171,022,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,351,374.28 : 315,124,896.24 = 123,929,445.60 : x
  2. Step 2: Convert to fraction form
    228,351,374.28/315,124,896.24 = 123,929,445.60/x
  3. Step 3: Cross multiply
    228,351,374.28x = 315,124,896.24 × 123,929,445.60
  4. Step 4: Simplify right side
    228,351,374.28x = 39,053,253,685,780,720
  5. Step 5: Solve for x
    x = 39,053,253,685,780,720/228,351,374.28
  6. Step 6: Final answer
    x = 171,022,634.78

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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.