Home / 193,627,972.38-267,198,806.34-105,520,078.29

Finding the Fourth Proportional to 193,627,972.38, 267,198,806.34 and 105,520,078.29

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Solution

The fourth proportional to 193,627,972.38, 267,198,806.34 and 105,520,078.29 is: 145,613,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,627,972.38 : 267,198,806.34 = 105,520,078.29 : x
  2. Step 2: Convert to fraction form
    193,627,972.38/267,198,806.34 = 105,520,078.29/x
  3. Step 3: Cross multiply
    193,627,972.38x = 267,198,806.34 × 105,520,078.29
  4. Step 4: Simplify right side
    193,627,972.38x = 28,194,838,963,991,352
  5. Step 5: Solve for x
    x = 28,194,838,963,991,352/193,627,972.38
  6. Step 6: Final answer
    x = 145,613,459.76

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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.