Home / 204,907,560.40-307,382,866.04-66,743,933.68

Finding the Fourth Proportional to 204,907,560.40, 307,382,866.04 and 66,743,933.68

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Solution

The fourth proportional to 204,907,560.40, 307,382,866.04 and 66,743,933.68 is: 100,122,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,907,560.40 : 307,382,866.04 = 66,743,933.68 : x
  2. Step 2: Convert to fraction form
    204,907,560.40/307,382,866.04 = 66,743,933.68/x
  3. Step 3: Cross multiply
    204,907,560.40x = 307,382,866.04 × 66,743,933.68
  4. Step 4: Simplify right side
    204,907,560.40x = 20,515,941,625,342,084
  5. Step 5: Solve for x
    x = 20,515,941,625,342,084/204,907,560.40
  6. Step 6: Final answer
    x = 100,122,911.94

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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.