Home / 168,142,850.85-252,214,276.28-122,226,348.45

Finding the Fourth Proportional to 168,142,850.85, 252,214,276.28 and 122,226,348.45

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Solution

The fourth proportional to 168,142,850.85, 252,214,276.28 and 122,226,348.45 is: 183,339,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,142,850.85 : 252,214,276.28 = 122,226,348.45 : x
  2. Step 2: Convert to fraction form
    168,142,850.85/252,214,276.28 = 122,226,348.45/x
  3. Step 3: Cross multiply
    168,142,850.85x = 252,214,276.28 × 122,226,348.45
  4. Step 4: Simplify right side
    168,142,850.85x = 30,827,230,016,052,720
  5. Step 5: Solve for x
    x = 30,827,230,016,052,720/168,142,850.85
  6. Step 6: Final answer
    x = 183,339,522.68

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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.