Home / 31,161,850.29-43,005,578.69-17,222,905.85

Finding the Fourth Proportional to 31,161,850.29, 43,005,578.69 and 17,222,905.85

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Solution

The fourth proportional to 31,161,850.29, 43,005,578.69 and 17,222,905.85 is: 23,768,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,850.29 : 43,005,578.69 = 17,222,905.85 : x
  2. Step 2: Convert to fraction form
    31,161,850.29/43,005,578.69 = 17,222,905.85/x
  3. Step 3: Cross multiply
    31,161,850.29x = 43,005,578.69 × 17,222,905.85
  4. Step 4: Simplify right side
    31,161,850.29x = 740,681,032,630,665.75
  5. Step 5: Solve for x
    x = 740,681,032,630,665.75/31,161,850.29
  6. Step 6: Final answer
    x = 23,768,839.97

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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.