Home / 112,891,187.36-155,856,621.52-71,111,067.41

Finding the Fourth Proportional to 112,891,187.36, 155,856,621.52 and 71,111,067.41

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Solution

The fourth proportional to 112,891,187.36, 155,856,621.52 and 71,111,067.41 is: 98,175,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,891,187.36 : 155,856,621.52 = 71,111,067.41 : x
  2. Step 2: Convert to fraction form
    112,891,187.36/155,856,621.52 = 71,111,067.41/x
  3. Step 3: Cross multiply
    112,891,187.36x = 155,856,621.52 × 71,111,067.41
  4. Step 4: Simplify right side
    112,891,187.36x = 11,083,130,719,682,106
  5. Step 5: Solve for x
    x = 11,083,130,719,682,106/112,891,187.36
  6. Step 6: Final answer
    x = 98,175,340.15

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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.