Home / 205,388,536.82-308,097,046.25-82,566,902.95

Finding the Fourth Proportional to 205,388,536.82, 308,097,046.25 and 82,566,902.95

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Solution

The fourth proportional to 205,388,536.82, 308,097,046.25 and 82,566,902.95 is: 123,856,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,388,536.82 : 308,097,046.25 = 82,566,902.95 : x
  2. Step 2: Convert to fraction form
    205,388,536.82/308,097,046.25 = 82,566,902.95/x
  3. Step 3: Cross multiply
    205,388,536.82x = 308,097,046.25 × 82,566,902.95
  4. Step 4: Simplify right side
    205,388,536.82x = 25,438,618,916,877,700
  5. Step 5: Solve for x
    x = 25,438,618,916,877,700/205,388,536.82
  6. Step 6: Final answer
    x = 123,856,079.36

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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.