Home / 286,161,086.43-394,987,935.83-167,115,790.49

Finding the Fourth Proportional to 286,161,086.43, 394,987,935.83 and 167,115,790.49

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Solution

The fourth proportional to 286,161,086.43, 394,987,935.83 and 167,115,790.49 is: 230,669,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,161,086.43 : 394,987,935.83 = 167,115,790.49 : x
  2. Step 2: Convert to fraction form
    286,161,086.43/394,987,935.83 = 167,115,790.49/x
  3. Step 3: Cross multiply
    286,161,086.43x = 394,987,935.83 × 167,115,790.49
  4. Step 4: Simplify right side
    286,161,086.43x = 66,008,721,127,433,328
  5. Step 5: Solve for x
    x = 66,008,721,127,433,328/286,161,086.43
  6. Step 6: Final answer
    x = 230,669,801.93

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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.