Home / 193,627,976.88-267,198,812.55-105,520,082.79

Finding the Fourth Proportional to 193,627,976.88, 267,198,812.55 and 105,520,082.79

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Solution

The fourth proportional to 193,627,976.88, 267,198,812.55 and 105,520,082.79 is: 145,613,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,627,976.88 : 267,198,812.55 = 105,520,082.79 : x
  2. Step 2: Convert to fraction form
    193,627,976.88/267,198,812.55 = 105,520,082.79/x
  3. Step 3: Cross multiply
    193,627,976.88x = 267,198,812.55 × 105,520,082.79
  4. Step 4: Simplify right side
    193,627,976.88x = 28,194,840,821,665,696
  5. Step 5: Solve for x
    x = 28,194,840,821,665,696/193,627,976.88
  6. Step 6: Final answer
    x = 145,613,465.97

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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.