Home / 121,717,799.61-167,917,781.48-80,522,067.93

Finding the Fourth Proportional to 121,717,799.61, 167,917,781.48 and 80,522,067.93

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Solution

The fourth proportional to 121,717,799.61, 167,917,781.48 and 80,522,067.93 is: 111,085,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717,799.61 : 167,917,781.48 = 80,522,067.93 : x
  2. Step 2: Convert to fraction form
    121,717,799.61/167,917,781.48 = 80,522,067.93/x
  3. Step 3: Cross multiply
    121,717,799.61x = 167,917,781.48 × 80,522,067.93
  4. Step 4: Simplify right side
    121,717,799.61x = 13,521,087,006,584,846
  5. Step 5: Solve for x
    x = 13,521,087,006,584,846/121,717,799.61
  6. Step 6: Final answer
    x = 111,085,535.97

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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.