Home / 193,736,530.08-267,358,498.20-105,629,808.78

Finding the Fourth Proportional to 193,736,530.08, 267,358,498.20 and 105,629,808.78

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Solution

The fourth proportional to 193,736,530.08, 267,358,498.20 and 105,629,808.78 is: 145,770,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,736,530.08 : 267,358,498.20 = 105,629,808.78 : x
  2. Step 2: Convert to fraction form
    193,736,530.08/267,358,498.20 = 105,629,808.78/x
  3. Step 3: Cross multiply
    193,736,530.08x = 267,358,498.20 × 105,629,808.78
  4. Step 4: Simplify right side
    193,736,530.08x = 28,241,027,040,573,972
  5. Step 5: Solve for x
    x = 28,241,027,040,573,972/193,736,530.08
  6. Step 6: Final answer
    x = 145,770,273.83

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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.