Home / 168,532,477.20-252,987,672.60-130,363,203.60

Finding the Fourth Proportional to 168,532,477.20, 252,987,672.60 and 130,363,203.60

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Solution

The fourth proportional to 168,532,477.20, 252,987,672.60 and 130,363,203.60 is: 195,690,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,532,477.20 : 252,987,672.60 = 130,363,203.60 : x
  2. Step 2: Convert to fraction form
    168,532,477.20/252,987,672.60 = 130,363,203.60/x
  3. Step 3: Cross multiply
    168,532,477.20x = 252,987,672.60 × 130,363,203.60
  4. Step 4: Simplify right side
    168,532,477.20x = 32,980,283,471,443,940
  5. Step 5: Solve for x
    x = 32,980,283,471,443,940/168,532,477.20
  6. Step 6: Final answer
    x = 195,690,967.22

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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.