Home / 165,970,013.80-248,955,020.70-161,187,044.80

Finding the Fourth Proportional to 165,970,013.80, 248,955,020.70 and 161,187,044.80

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Solution

The fourth proportional to 165,970,013.80, 248,955,020.70 and 161,187,044.80 is: 241,780,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,970,013.80 : 248,955,020.70 = 161,187,044.80 : x
  2. Step 2: Convert to fraction form
    165,970,013.80/248,955,020.70 = 161,187,044.80/x
  3. Step 3: Cross multiply
    165,970,013.80x = 248,955,020.70 × 161,187,044.80
  4. Step 4: Simplify right side
    165,970,013.80x = 40,128,324,074,755,832
  5. Step 5: Solve for x
    x = 40,128,324,074,755,832/165,970,013.80
  6. Step 6: Final answer
    x = 241,780,567.20

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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.