Home / 43,458,002.20-65,187,003.30-13,165,865.20

Finding the Fourth Proportional to 43,458,002.20, 65,187,003.30 and 13,165,865.20

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Solution

The fourth proportional to 43,458,002.20, 65,187,003.30 and 13,165,865.20 is: 19,748,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458,002.20 : 65,187,003.30 = 13,165,865.20 : x
  2. Step 2: Convert to fraction form
    43,458,002.20/65,187,003.30 = 13,165,865.20/x
  3. Step 3: Cross multiply
    43,458,002.20x = 65,187,003.30 × 13,165,865.20
  4. Step 4: Simplify right side
    43,458,002.20x = 858,243,298,239,755.12
  5. Step 5: Solve for x
    x = 858,243,298,239,755.12/43,458,002.20
  6. Step 6: Final answer
    x = 19,748,797.80

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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.