Home / 113,789,791.76-157,029,335.31-61,578,827.42

Finding the Fourth Proportional to 113,789,791.76, 157,029,335.31 and 61,578,827.42

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Solution

The fourth proportional to 113,789,791.76, 157,029,335.31 and 61,578,827.42 is: 84,978,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,791.76 : 157,029,335.31 = 61,578,827.42 : x
  2. Step 2: Convert to fraction form
    113,789,791.76/157,029,335.31 = 61,578,827.42/x
  3. Step 3: Cross multiply
    113,789,791.76x = 157,029,335.31 × 61,578,827.42
  4. Step 4: Simplify right side
    113,789,791.76x = 9,669,682,338,497,722
  5. Step 5: Solve for x
    x = 9,669,682,338,497,722/113,789,791.76
  6. Step 6: Final answer
    x = 84,978,469.41

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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.