Home / 69,491,954.88-104,238,734.76-20,970,228.96

Finding the Fourth Proportional to 69,491,954.88, 104,238,734.76 and 20,970,228.96

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Solution

The fourth proportional to 69,491,954.88, 104,238,734.76 and 20,970,228.96 is: 31,455,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491,954.88 : 104,238,734.76 = 20,970,228.96 : x
  2. Step 2: Convert to fraction form
    69,491,954.88/104,238,734.76 = 20,970,228.96/x
  3. Step 3: Cross multiply
    69,491,954.88x = 104,238,734.76 × 20,970,228.96
  4. Step 4: Simplify right side
    69,491,954.88x = 2,185,910,134,417,910.75
  5. Step 5: Solve for x
    x = 2,185,910,134,417,910.75/69,491,954.88
  6. Step 6: Final answer
    x = 31,455,585.59

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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.