Home / 197,398,013.45-272,413,414.71-108,093,708.23

Finding the Fourth Proportional to 197,398,013.45, 272,413,414.71 and 108,093,708.23

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Solution

The fourth proportional to 197,398,013.45, 272,413,414.71 and 108,093,708.23 is: 149,171,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,398,013.45 : 272,413,414.71 = 108,093,708.23 : x
  2. Step 2: Convert to fraction form
    197,398,013.45/272,413,414.71 = 108,093,708.23/x
  3. Step 3: Cross multiply
    197,398,013.45x = 272,413,414.71 × 108,093,708.23
  4. Step 4: Simplify right side
    197,398,013.45x = 29,446,176,166,238,660
  5. Step 5: Solve for x
    x = 29,446,176,166,238,660/197,398,013.45
  6. Step 6: Final answer
    x = 149,171,593.23

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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.