Home / 286,161,083.44-394,987,931.72-167,115,787.52

Finding the Fourth Proportional to 286,161,083.44, 394,987,931.72 and 167,115,787.52

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Solution

The fourth proportional to 286,161,083.44, 394,987,931.72 and 167,115,787.52 is: 230,669,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,161,083.44 : 394,987,931.72 = 167,115,787.52 : x
  2. Step 2: Convert to fraction form
    286,161,083.44/394,987,931.72 = 167,115,787.52/x
  3. Step 3: Cross multiply
    286,161,083.44x = 394,987,931.72 × 167,115,787.52
  4. Step 4: Simplify right side
    286,161,083.44x = 66,008,719,270,283,800
  5. Step 5: Solve for x
    x = 66,008,719,270,283,800/286,161,083.44
  6. Step 6: Final answer
    x = 230,669,797.85

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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.