Home / 141,464,315.54-195,220,764.83-78,739,067.38

Finding the Fourth Proportional to 141,464,315.54, 195,220,764.83 and 78,739,067.38

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Solution

The fourth proportional to 141,464,315.54, 195,220,764.83 and 78,739,067.38 is: 108,659,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,464,315.54 : 195,220,764.83 = 78,739,067.38 : x
  2. Step 2: Convert to fraction form
    141,464,315.54/195,220,764.83 = 78,739,067.38/x
  3. Step 3: Cross multiply
    141,464,315.54x = 195,220,764.83 × 78,739,067.38
  4. Step 4: Simplify right side
    141,464,315.54x = 15,371,500,955,922,864
  5. Step 5: Solve for x
    x = 15,371,500,955,922,864/141,464,315.54
  6. Step 6: Final answer
    x = 108,659,918.21

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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.