Home / 61,245,791.96-91,886,623.92-18,116,143.88

Finding the Fourth Proportional to 61,245,791.96, 91,886,623.92 and 18,116,143.88

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Solution

The fourth proportional to 61,245,791.96, 91,886,623.92 and 18,116,143.88 is: 27,179,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,791.96 : 91,886,623.92 = 18,116,143.88 : x
  2. Step 2: Convert to fraction form
    61,245,791.96/91,886,623.92 = 18,116,143.88/x
  3. Step 3: Cross multiply
    61,245,791.96x = 91,886,623.92 × 18,116,143.88
  4. Step 4: Simplify right side
    61,245,791.96x = 1,664,631,299,122,736.50
  5. Step 5: Solve for x
    x = 1,664,631,299,122,736.50/61,245,791.96
  6. Step 6: Final answer
    x = 27,179,521.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.