Home / 193,942,856.92-267,646,827.36-105,842,519.14

Finding the Fourth Proportional to 193,942,856.92, 267,646,827.36 and 105,842,519.14

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Solution

The fourth proportional to 193,942,856.92, 267,646,827.36 and 105,842,519.14 is: 146,065,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,942,856.92 : 267,646,827.36 = 105,842,519.14 : x
  2. Step 2: Convert to fraction form
    193,942,856.92/267,646,827.36 = 105,842,519.14/x
  3. Step 3: Cross multiply
    193,942,856.92x = 267,646,827.36 × 105,842,519.14
  4. Step 4: Simplify right side
    193,942,856.92x = 28,328,414,447,611,076
  5. Step 5: Solve for x
    x = 28,328,414,447,611,076/193,942,856.92
  6. Step 6: Final answer
    x = 146,065,778.85

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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.