Home / 67,003,982.60-100,494,018.24-17,820,116.84

Finding the Fourth Proportional to 67,003,982.60, 100,494,018.24 and 17,820,116.84

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Solution

The fourth proportional to 67,003,982.60, 100,494,018.24 and 17,820,116.84 is: 26,726,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,003,982.60 : 100,494,018.24 = 17,820,116.84 : x
  2. Step 2: Convert to fraction form
    67,003,982.60/100,494,018.24 = 17,820,116.84/x
  3. Step 3: Cross multiply
    67,003,982.60x = 100,494,018.24 × 17,820,116.84
  4. Step 4: Simplify right side
    67,003,982.60x = 1,790,815,146,757,891
  5. Step 5: Solve for x
    x = 1,790,815,146,757,891/67,003,982.60
  6. Step 6: Final answer
    x = 26,726,995.58

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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.