Home / 155,500,452.39-214,589,348.49-84,936,107.64

Finding the Fourth Proportional to 155,500,452.39, 214,589,348.49 and 84,936,107.64

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Solution

The fourth proportional to 155,500,452.39, 214,589,348.49 and 84,936,107.64 is: 117,211,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,500,452.39 : 214,589,348.49 = 84,936,107.64 : x
  2. Step 2: Convert to fraction form
    155,500,452.39/214,589,348.49 = 84,936,107.64/x
  3. Step 3: Cross multiply
    155,500,452.39x = 214,589,348.49 × 84,936,107.64
  4. Step 4: Simplify right side
    155,500,452.39x = 18,226,384,001,744,112
  5. Step 5: Solve for x
    x = 18,226,384,001,744,112/155,500,452.39
  6. Step 6: Final answer
    x = 117,211,131.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.