Home / 215,165,860,218.14-296,928,999,821.60-117,508,838,081.13

Finding the Fourth Proportional to 215,165,860,218.14, 296,928,999,821.60 and 117,508,838,081.13

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Solution

The fourth proportional to 215,165,860,218.14, 296,928,999,821.60 and 117,508,838,081.13 is: 162,162,258,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,165,860,218.14 : 296,928,999,821.60 = 117,508,838,081.13 : x
  2. Step 2: Convert to fraction form
    215,165,860,218.14/296,928,999,821.60 = 117,508,838,081.13/x
  3. Step 3: Cross multiply
    215,165,860,218.14x = 296,928,999,821.60 × 117,508,838,081.13
  4. Step 4: Simplify right side
    215,165,860,218.14x = 34,891,781,761,628,272,328,704
  5. Step 5: Solve for x
    x = 34,891,781,761,628,272,328,704/215,165,860,218.14
  6. Step 6: Final answer
    x = 162,162,258,112.20

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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.