Home / 69,714,617.22-104,568,141.50-21,188,687.61

Finding the Fourth Proportional to 69,714,617.22, 104,568,141.50 and 21,188,687.61

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Solution

The fourth proportional to 69,714,617.22, 104,568,141.50 and 21,188,687.61 is: 31,781,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,714,617.22 : 104,568,141.50 = 21,188,687.61 : x
  2. Step 2: Convert to fraction form
    69,714,617.22/104,568,141.50 = 21,188,687.61/x
  3. Step 3: Cross multiply
    69,714,617.22x = 104,568,141.50 × 21,188,687.61
  4. Step 4: Simplify right side
    69,714,617.22x = 2,215,661,684,567,421.50
  5. Step 5: Solve for x
    x = 2,215,661,684,567,421.50/69,714,617.22
  6. Step 6: Final answer
    x = 31,781,881.23

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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.