Home / 275,217,380.64-379,800,047.28-151,458,057.78

Finding the Fourth Proportional to 275,217,380.64, 379,800,047.28 and 151,458,057.78

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Solution

The fourth proportional to 275,217,380.64, 379,800,047.28 and 151,458,057.78 is: 209,012,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,217,380.64 : 379,800,047.28 = 151,458,057.78 : x
  2. Step 2: Convert to fraction form
    275,217,380.64/379,800,047.28 = 151,458,057.78/x
  3. Step 3: Cross multiply
    275,217,380.64x = 379,800,047.28 × 151,458,057.78
  4. Step 4: Simplify right side
    275,217,380.64x = 57,523,777,505,780,968
  5. Step 5: Solve for x
    x = 57,523,777,505,780,968/275,217,380.64
  6. Step 6: Final answer
    x = 209,012,153.85

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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.