Home / 342,161,711.72-472,192,446.72-193,505,062.79

Finding the Fourth Proportional to 342,161,711.72, 472,192,446.72 and 193,505,062.79

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Solution

The fourth proportional to 342,161,711.72, 472,192,446.72 and 193,505,062.79 is: 267,042,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,161,711.72 : 472,192,446.72 = 193,505,062.79 : x
  2. Step 2: Convert to fraction form
    342,161,711.72/472,192,446.72 = 193,505,062.79/x
  3. Step 3: Cross multiply
    342,161,711.72x = 472,192,446.72 × 193,505,062.79
  4. Step 4: Simplify right side
    342,161,711.72x = 91,371,629,049,156,368
  5. Step 5: Solve for x
    x = 91,371,629,049,156,368/342,161,711.72
  6. Step 6: Final answer
    x = 267,042,237.40

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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.