Home / 147,024,178.80-220,536,268.20-139,969,791.60

Finding the Fourth Proportional to 147,024,178.80, 220,536,268.20 and 139,969,791.60

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Solution

The fourth proportional to 147,024,178.80, 220,536,268.20 and 139,969,791.60 is: 209,954,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,024,178.80 : 220,536,268.20 = 139,969,791.60 : x
  2. Step 2: Convert to fraction form
    147,024,178.80/220,536,268.20 = 139,969,791.60/x
  3. Step 3: Cross multiply
    147,024,178.80x = 220,536,268.20 × 139,969,791.60
  4. Step 4: Simplify right side
    147,024,178.80x = 30,868,415,500,195,704
  5. Step 5: Solve for x
    x = 30,868,415,500,195,704/147,024,178.80
  6. Step 6: Final answer
    x = 209,954,687.40

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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.