Home / 300,099,794.97-414,181,036.01-172,916,114.57

Finding the Fourth Proportional to 300,099,794.97, 414,181,036.01 and 172,916,114.57

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Solution

The fourth proportional to 300,099,794.97, 414,181,036.01 and 172,916,114.57 is: 238,649,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,099,794.97 : 414,181,036.01 = 172,916,114.57 : x
  2. Step 2: Convert to fraction form
    300,099,794.97/414,181,036.01 = 172,916,114.57/x
  3. Step 3: Cross multiply
    300,099,794.97x = 414,181,036.01 × 172,916,114.57
  4. Step 4: Simplify right side
    300,099,794.97x = 71,618,575,476,699,344
  5. Step 5: Solve for x
    x = 71,618,575,476,699,344/300,099,794.97
  6. Step 6: Final answer
    x = 238,649,198.29

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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.