Home / 143,966,469,536.10-198,598,405,370.33-89,016,077,078.48

Finding the Fourth Proportional to 143,966,469,536.10, 198,598,405,370.33 and 89,016,077,078.48

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Solution

The fourth proportional to 143,966,469,536.10, 198,598,405,370.33 and 89,016,077,078.48 is: 122,795,613,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,966,469,536.10 : 198,598,405,370.33 = 89,016,077,078.48 : x
  2. Step 2: Convert to fraction form
    143,966,469,536.10/198,598,405,370.33 = 89,016,077,078.48/x
  3. Step 3: Cross multiply
    143,966,469,536.10x = 198,598,405,370.33 × 89,016,077,078.48
  4. Step 4: Simplify right side
    143,966,469,536.10x = 17,678,450,960,108,907,134,976
  5. Step 5: Solve for x
    x = 17,678,450,960,108,907,134,976/143,966,469,536.10
  6. Step 6: Final answer
    x = 122,795,613,569.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.