Home / 168,530,948.20-252,803,420.70-53,512,244.20

Finding the Fourth Proportional to 168,530,948.20, 252,803,420.70 and 53,512,244.20

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Solution

The fourth proportional to 168,530,948.20, 252,803,420.70 and 53,512,244.20 is: 80,270,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,530,948.20 : 252,803,420.70 = 53,512,244.20 : x
  2. Step 2: Convert to fraction form
    168,530,948.20/252,803,420.70 = 53,512,244.20/x
  3. Step 3: Cross multiply
    168,530,948.20x = 252,803,420.70 × 53,512,244.20
  4. Step 4: Simplify right side
    168,530,948.20x = 13,528,078,383,093,736
  5. Step 5: Solve for x
    x = 13,528,078,383,093,736/168,530,948.20
  6. Step 6: Final answer
    x = 80,270,588.44

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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.