Home / 75,168,843.04-103,741,608.80-42,138,013.44

Finding the Fourth Proportional to 75,168,843.04, 103,741,608.80 and 42,138,013.44

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Solution

The fourth proportional to 75,168,843.04, 103,741,608.80 and 42,138,013.44 is: 58,155,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,168,843.04 : 103,741,608.80 = 42,138,013.44 : x
  2. Step 2: Convert to fraction form
    75,168,843.04/103,741,608.80 = 42,138,013.44/x
  3. Step 3: Cross multiply
    75,168,843.04x = 103,741,608.80 × 42,138,013.44
  4. Step 4: Simplify right side
    75,168,843.04x = 4,371,465,305,901,622
  5. Step 5: Solve for x
    x = 4,371,465,305,901,622/75,168,843.04
  6. Step 6: Final answer
    x = 58,155,282.55

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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.