Home / 217,515,265.97-326,269,704.32-53,753,018.12

Finding the Fourth Proportional to 217,515,265.97, 326,269,704.32 and 53,753,018.12

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Solution

The fourth proportional to 217,515,265.97, 326,269,704.32 and 53,753,018.12 is: 80,628,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,515,265.97 : 326,269,704.32 = 53,753,018.12 : x
  2. Step 2: Convert to fraction form
    217,515,265.97/326,269,704.32 = 53,753,018.12/x
  3. Step 3: Cross multiply
    217,515,265.97x = 326,269,704.32 × 53,753,018.12
  4. Step 4: Simplify right side
    217,515,265.97x = 17,537,981,326,419,890
  5. Step 5: Solve for x
    x = 17,537,981,326,419,890/217,515,265.97
  6. Step 6: Final answer
    x = 80,628,737.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.