Home / 321,941,571.90-482,975,343.45-137,708,691.90

Finding the Fourth Proportional to 321,941,571.90, 482,975,343.45 and 137,708,691.90

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Solution

The fourth proportional to 321,941,571.90, 482,975,343.45 and 137,708,691.90 is: 206,589,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,941,571.90 : 482,975,343.45 = 137,708,691.90 : x
  2. Step 2: Convert to fraction form
    321,941,571.90/482,975,343.45 = 137,708,691.90/x
  3. Step 3: Cross multiply
    321,941,571.90x = 482,975,343.45 × 137,708,691.90
  4. Step 4: Simplify right side
    321,941,571.90x = 66,509,902,766,452,736
  5. Step 5: Solve for x
    x = 66,509,902,766,452,736/321,941,571.90
  6. Step 6: Final answer
    x = 206,589,979.59

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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.