Home / 205,138,119.80-307,445,906.10-83,832,519.80

Finding the Fourth Proportional to 205,138,119.80, 307,445,906.10 and 83,832,519.80

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Solution

The fourth proportional to 205,138,119.80, 307,445,906.10 and 83,832,519.80 is: 125,642,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,138,119.80 : 307,445,906.10 = 83,832,519.80 : x
  2. Step 2: Convert to fraction form
    205,138,119.80/307,445,906.10 = 83,832,519.80/x
  3. Step 3: Cross multiply
    205,138,119.80x = 307,445,906.10 × 83,832,519.80
  4. Step 4: Simplify right side
    205,138,119.80x = 25,773,965,010,557,192
  5. Step 5: Solve for x
    x = 25,773,965,010,557,192/205,138,119.80
  6. Step 6: Final answer
    x = 125,642,006.64

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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.