Home / 205,311,375.75-283,259,947.82-117,142,033.35

Finding the Fourth Proportional to 205,311,375.75, 283,259,947.82 and 117,142,033.35

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Solution

The fourth proportional to 205,311,375.75, 283,259,947.82 and 117,142,033.35 is: 161,616,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311,375.75 : 283,259,947.82 = 117,142,033.35 : x
  2. Step 2: Convert to fraction form
    205,311,375.75/283,259,947.82 = 117,142,033.35/x
  3. Step 3: Cross multiply
    205,311,375.75x = 283,259,947.82 × 117,142,033.35
  4. Step 4: Simplify right side
    205,311,375.75x = 33,181,646,253,663,988
  5. Step 5: Solve for x
    x = 33,181,646,253,663,988/205,311,375.75
  6. Step 6: Final answer
    x = 161,616,209.20

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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.