Home / 342,161,717.73-472,192,455-193,505,068.80

Finding the Fourth Proportional to 342,161,717.73, 472,192,455 and 193,505,068.80

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Solution

The fourth proportional to 342,161,717.73, 472,192,455 and 193,505,068.80 is: 267,042,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,161,717.73 : 472,192,455 = 193,505,068.80 : x
  2. Step 2: Convert to fraction form
    342,161,717.73/472,192,455 = 193,505,068.80/x
  3. Step 3: Cross multiply
    342,161,717.73x = 472,192,455 × 193,505,068.80
  4. Step 4: Simplify right side
    342,161,717.73x = 91,371,633,491,615,904
  5. Step 5: Solve for x
    x = 91,371,633,491,615,904/342,161,717.73
  6. Step 6: Final answer
    x = 267,042,245.69

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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.