Home / 321,647,946.66-482,675,986.23-137,416,810.80

Finding the Fourth Proportional to 321,647,946.66, 482,675,986.23 and 137,416,810.80

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Solution

The fourth proportional to 321,647,946.66, 482,675,986.23 and 137,416,810.80 is: 206,212,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,647,946.66 : 482,675,986.23 = 137,416,810.80 : x
  2. Step 2: Convert to fraction form
    321,647,946.66/482,675,986.23 = 137,416,810.80/x
  3. Step 3: Cross multiply
    321,647,946.66x = 482,675,986.23 × 137,416,810.80
  4. Step 4: Simplify right side
    321,647,946.66x = 66,327,794,677,471,320
  5. Step 5: Solve for x
    x = 66,327,794,677,471,320/321,647,946.66
  6. Step 6: Final answer
    x = 206,212,398.89

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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.