Home / 193,494,391.56-267,028,393.38-105,391,052.76

Finding the Fourth Proportional to 193,494,391.56, 267,028,393.38 and 105,391,052.76

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Solution

The fourth proportional to 193,494,391.56, 267,028,393.38 and 105,391,052.76 is: 145,442,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,494,391.56 : 267,028,393.38 = 105,391,052.76 : x
  2. Step 2: Convert to fraction form
    193,494,391.56/267,028,393.38 = 105,391,052.76/x
  3. Step 3: Cross multiply
    193,494,391.56x = 267,028,393.38 × 105,391,052.76
  4. Step 4: Simplify right side
    193,494,391.56x = 28,142,403,495,129,616
  5. Step 5: Solve for x
    x = 28,142,403,495,129,616/193,494,391.56
  6. Step 6: Final answer
    x = 145,442,993.30

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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.