Home / 268,080,163.20-402,120,244.80-166,043,491.20

Finding the Fourth Proportional to 268,080,163.20, 402,120,244.80 and 166,043,491.20

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Solution

The fourth proportional to 268,080,163.20, 402,120,244.80 and 166,043,491.20 is: 249,065,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,080,163.20 : 402,120,244.80 = 166,043,491.20 : x
  2. Step 2: Convert to fraction form
    268,080,163.20/402,120,244.80 = 166,043,491.20/x
  3. Step 3: Cross multiply
    268,080,163.20x = 402,120,244.80 × 166,043,491.20
  4. Step 4: Simplify right side
    268,080,163.20x = 66,769,449,328,790,640
  5. Step 5: Solve for x
    x = 66,769,449,328,790,640/268,080,163.20
  6. Step 6: Final answer
    x = 249,065,236.80

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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.