Home / 200,371,893.72-300,348,067.38-83,854,007.88

Finding the Fourth Proportional to 200,371,893.72, 300,348,067.38 and 83,854,007.88

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Solution

The fourth proportional to 200,371,893.72, 300,348,067.38 and 83,854,007.88 is: 125,693,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,893.72 : 300,348,067.38 = 83,854,007.88 : x
  2. Step 2: Convert to fraction form
    200,371,893.72/300,348,067.38 = 83,854,007.88/x
  3. Step 3: Cross multiply
    200,371,893.72x = 300,348,067.38 × 83,854,007.88
  4. Step 4: Simplify right side
    200,371,893.72x = 25,185,389,208,825,288
  5. Step 5: Solve for x
    x = 25,185,389,208,825,288/200,371,893.72
  6. Step 6: Final answer
    x = 125,693,223.44

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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.