Home / 168,532,506.20-252,987,716.10-130,363,232.60

Finding the Fourth Proportional to 168,532,506.20, 252,987,716.10 and 130,363,232.60

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Solution

The fourth proportional to 168,532,506.20, 252,987,716.10 and 130,363,232.60 is: 195,691,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,532,506.20 : 252,987,716.10 = 130,363,232.60 : x
  2. Step 2: Convert to fraction form
    168,532,506.20/252,987,716.10 = 130,363,232.60/x
  3. Step 3: Cross multiply
    168,532,506.20x = 252,987,716.10 × 130,363,232.60
  4. Step 4: Simplify right side
    168,532,506.20x = 32,980,296,478,887,064
  5. Step 5: Solve for x
    x = 32,980,296,478,887,064/168,532,506.20
  6. Step 6: Final answer
    x = 195,691,010.73

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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.