Home / 168,532,495.20-252,987,699.60-130,363,221.60

Finding the Fourth Proportional to 168,532,495.20, 252,987,699.60 and 130,363,221.60

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Solution

The fourth proportional to 168,532,495.20, 252,987,699.60 and 130,363,221.60 is: 195,690,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,532,495.20 : 252,987,699.60 = 130,363,221.60 : x
  2. Step 2: Convert to fraction form
    168,532,495.20/252,987,699.60 = 130,363,221.60/x
  3. Step 3: Cross multiply
    168,532,495.20x = 252,987,699.60 × 130,363,221.60
  4. Step 4: Simplify right side
    168,532,495.20x = 32,980,291,545,029,028
  5. Step 5: Solve for x
    x = 32,980,291,545,029,028/168,532,495.20
  6. Step 6: Final answer
    x = 195,690,994.23

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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.