Home / 72,263,645.80-108,359,601.90-26,203,676.20

Finding the Fourth Proportional to 72,263,645.80, 108,359,601.90 and 26,203,676.20

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Solution

The fourth proportional to 72,263,645.80, 108,359,601.90 and 26,203,676.20 is: 39,292,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263,645.80 : 108,359,601.90 = 26,203,676.20 : x
  2. Step 2: Convert to fraction form
    72,263,645.80/108,359,601.90 = 26,203,676.20/x
  3. Step 3: Cross multiply
    72,263,645.80x = 108,359,601.90 × 26,203,676.20
  4. Step 4: Simplify right side
    72,263,645.80x = 2,839,419,921,348,505
  5. Step 5: Solve for x
    x = 2,839,419,921,348,505/72,263,645.80
  6. Step 6: Final answer
    x = 39,292,508.56

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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.