Home / 185,121,982,805.39-255,447,910,063.04-103,815,073,864.51

Finding the Fourth Proportional to 185,121,982,805.39, 255,447,910,063.04 and 103,815,073,864.51

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Solution

The fourth proportional to 185,121,982,805.39, 255,447,910,063.04 and 103,815,073,864.51 is: 143,253,347,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,121,982,805.39 : 255,447,910,063.04 = 103,815,073,864.51 : x
  2. Step 2: Convert to fraction form
    185,121,982,805.39/255,447,910,063.04 = 103,815,073,864.51/x
  3. Step 3: Cross multiply
    185,121,982,805.39x = 255,447,910,063.04 × 103,815,073,864.51
  4. Step 4: Simplify right side
    185,121,982,805.39x = 26,519,343,651,729,205,886,976
  5. Step 5: Solve for x
    x = 26,519,343,651,729,205,886,976/185,121,982,805.39
  6. Step 6: Final answer
    x = 143,253,347,062.56

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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.