Home / 205,388,536.44-308,097,045.68-82,566,902.58

Finding the Fourth Proportional to 205,388,536.44, 308,097,045.68 and 82,566,902.58

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Solution

The fourth proportional to 205,388,536.44, 308,097,045.68 and 82,566,902.58 is: 123,856,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,388,536.44 : 308,097,045.68 = 82,566,902.58 : x
  2. Step 2: Convert to fraction form
    205,388,536.44/308,097,045.68 = 82,566,902.58/x
  3. Step 3: Cross multiply
    205,388,536.44x = 308,097,045.68 × 82,566,902.58
  4. Step 4: Simplify right side
    205,388,536.44x = 25,438,618,754,743,024
  5. Step 5: Solve for x
    x = 25,438,618,754,743,024/205,388,536.44
  6. Step 6: Final answer
    x = 123,856,078.80

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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.