Home / 201,204,002.80-301,806,004.20-115,110,560.80

Finding the Fourth Proportional to 201,204,002.80, 301,806,004.20 and 115,110,560.80

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Solution

The fourth proportional to 201,204,002.80, 301,806,004.20 and 115,110,560.80 is: 172,665,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,002.80 : 301,806,004.20 = 115,110,560.80 : x
  2. Step 2: Convert to fraction form
    201,204,002.80/301,806,004.20 = 115,110,560.80/x
  3. Step 3: Cross multiply
    201,204,002.80x = 301,806,004.20 × 115,110,560.80
  4. Step 4: Simplify right side
    201,204,002.80x = 34,741,058,396,269,152
  5. Step 5: Solve for x
    x = 34,741,058,396,269,152/201,204,002.80
  6. Step 6: Final answer
    x = 172,665,841.20

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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.