Home / 123,465,453.72-185,180,149.98-36,003,469.20

Finding the Fourth Proportional to 123,465,453.72, 185,180,149.98 and 36,003,469.20

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Solution

The fourth proportional to 123,465,453.72, 185,180,149.98 and 36,003,469.20 is: 53,999,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,465,453.72 : 185,180,149.98 = 36,003,469.20 : x
  2. Step 2: Convert to fraction form
    123,465,453.72/185,180,149.98 = 36,003,469.20/x
  3. Step 3: Cross multiply
    123,465,453.72x = 185,180,149.98 × 36,003,469.20
  4. Step 4: Simplify right side
    123,465,453.72x = 6,667,127,826,256,311
  5. Step 5: Solve for x
    x = 6,667,127,826,256,311/123,465,453.72
  6. Step 6: Final answer
    x = 53,999,945.94

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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.