Home / 193,494,396.56-267,028,400.28-105,391,057.76

Finding the Fourth Proportional to 193,494,396.56, 267,028,400.28 and 105,391,057.76

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Solution

The fourth proportional to 193,494,396.56, 267,028,400.28 and 105,391,057.76 is: 145,443,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,494,396.56 : 267,028,400.28 = 105,391,057.76 : x
  2. Step 2: Convert to fraction form
    193,494,396.56/267,028,400.28 = 105,391,057.76/x
  3. Step 3: Cross multiply
    193,494,396.56x = 267,028,400.28 × 105,391,057.76
  4. Step 4: Simplify right side
    193,494,396.56x = 28,142,405,557,469,880
  5. Step 5: Solve for x
    x = 28,142,405,557,469,880/193,494,396.56
  6. Step 6: Final answer
    x = 145,443,000.20

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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.