Home / 69,854,025.28-104,796,745.68-21,327,819.52

Finding the Fourth Proportional to 69,854,025.28, 104,796,745.68 and 21,327,819.52

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Solution

The fourth proportional to 69,854,025.28, 104,796,745.68 and 21,327,819.52 is: 31,996,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854,025.28 : 104,796,745.68 = 21,327,819.52 : x
  2. Step 2: Convert to fraction form
    69,854,025.28/104,796,745.68 = 21,327,819.52/x
  3. Step 3: Cross multiply
    69,854,025.28x = 104,796,745.68 × 21,327,819.52
  4. Step 4: Simplify right side
    69,854,025.28x = 2,235,086,078,146,379.75
  5. Step 5: Solve for x
    x = 2,235,086,078,146,379.75/69,854,025.28
  6. Step 6: Final answer
    x = 31,996,525.17

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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.