Home / 83,321,386.81-124,988,067.15-28,733,187.04

Finding the Fourth Proportional to 83,321,386.81, 124,988,067.15 and 28,733,187.04

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Solution

The fourth proportional to 83,321,386.81, 124,988,067.15 and 28,733,187.04 is: 43,101,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,321,386.81 : 124,988,067.15 = 28,733,187.04 : x
  2. Step 2: Convert to fraction form
    83,321,386.81/124,988,067.15 = 28,733,187.04/x
  3. Step 3: Cross multiply
    83,321,386.81x = 124,988,067.15 × 28,733,187.04
  4. Step 4: Simplify right side
    83,321,386.81x = 3,591,305,511,189,030
  5. Step 5: Solve for x
    x = 3,591,305,511,189,030/83,321,386.81
  6. Step 6: Final answer
    x = 43,101,845.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.