Home / 198,292,585.23-273,558,876.39-123,823,859.13

Finding the Fourth Proportional to 198,292,585.23, 273,558,876.39 and 123,823,859.13

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Solution

The fourth proportional to 198,292,585.23, 273,558,876.39 and 123,823,859.13 is: 170,823,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,292,585.23 : 273,558,876.39 = 123,823,859.13 : x
  2. Step 2: Convert to fraction form
    198,292,585.23/273,558,876.39 = 123,823,859.13/x
  3. Step 3: Cross multiply
    198,292,585.23x = 273,558,876.39 × 123,823,859.13
  4. Step 4: Simplify right side
    198,292,585.23x = 33,873,115,773,876,440
  5. Step 5: Solve for x
    x = 33,873,115,773,876,440/198,292,585.23
  6. Step 6: Final answer
    x = 170,823,915.25

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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.