Home / 67,999,764.18-102,019,658.31-21,940,769.16

Finding the Fourth Proportional to 67,999,764.18, 102,019,658.31 and 21,940,769.16

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Solution

The fourth proportional to 67,999,764.18, 102,019,658.31 and 21,940,769.16 is: 32,917,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999,764.18 : 102,019,658.31 = 21,940,769.16 : x
  2. Step 2: Convert to fraction form
    67,999,764.18/102,019,658.31 = 21,940,769.16/x
  3. Step 3: Cross multiply
    67,999,764.18x = 102,019,658.31 × 21,940,769.16
  4. Step 4: Simplify right side
    67,999,764.18x = 2,238,389,772,761,785.75
  5. Step 5: Solve for x
    x = 2,238,389,772,761,785.75/67,999,764.18
  6. Step 6: Final answer
    x = 32,917,610.81

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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.