Home / 71,521,863.77-107,263,587.83-19,694,127.38

Finding the Fourth Proportional to 71,521,863.77, 107,263,587.83 and 19,694,127.38

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Solution

The fourth proportional to 71,521,863.77, 107,263,587.83 and 19,694,127.38 is: 29,535,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,521,863.77 : 107,263,587.83 = 19,694,127.38 : x
  2. Step 2: Convert to fraction form
    71,521,863.77/107,263,587.83 = 19,694,127.38/x
  3. Step 3: Cross multiply
    71,521,863.77x = 107,263,587.83 × 19,694,127.38
  4. Step 4: Simplify right side
    71,521,863.77x = 2,112,462,761,325,049.25
  5. Step 5: Solve for x
    x = 2,112,462,761,325,049.25/71,521,863.77
  6. Step 6: Final answer
    x = 29,535,902.03

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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.