Home / 321,937,441.20-482,932,405.80-137,706,310.80

Finding the Fourth Proportional to 321,937,441.20, 482,932,405.80 and 137,706,310.80

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Solution

The fourth proportional to 321,937,441.20, 482,932,405.80 and 137,706,310.80 is: 206,570,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,937,441.20 : 482,932,405.80 = 137,706,310.80 : x
  2. Step 2: Convert to fraction form
    321,937,441.20/482,932,405.80 = 137,706,310.80/x
  3. Step 3: Cross multiply
    321,937,441.20x = 482,932,405.80 × 137,706,310.80
  4. Step 4: Simplify right side
    321,937,441.20x = 66,502,839,968,486,528
  5. Step 5: Solve for x
    x = 66,502,839,968,486,528/321,937,441.20
  6. Step 6: Final answer
    x = 206,570,691.87

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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.