Home / 68,204,425.22-102,305,168.27-19,018,968.29

Finding the Fourth Proportional to 68,204,425.22, 102,305,168.27 and 19,018,968.29

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Solution

The fourth proportional to 68,204,425.22, 102,305,168.27 and 19,018,968.29 is: 28,528,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,204,425.22 : 102,305,168.27 = 19,018,968.29 : x
  2. Step 2: Convert to fraction form
    68,204,425.22/102,305,168.27 = 19,018,968.29/x
  3. Step 3: Cross multiply
    68,204,425.22x = 102,305,168.27 × 19,018,968.29
  4. Step 4: Simplify right side
    68,204,425.22x = 1,945,738,751,135,149.25
  5. Step 5: Solve for x
    x = 1,945,738,751,135,149.25/68,204,425.22
  6. Step 6: Final answer
    x = 28,528,042.64

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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.