Home / 81,082,493.78-121,644,472.47-23,574,764.97

Finding the Fourth Proportional to 81,082,493.78, 121,644,472.47 and 23,574,764.97

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Solution

The fourth proportional to 81,082,493.78, 121,644,472.47 and 23,574,764.97 is: 35,368,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,493.78 : 121,644,472.47 = 23,574,764.97 : x
  2. Step 2: Convert to fraction form
    81,082,493.78/121,644,472.47 = 23,574,764.97/x
  3. Step 3: Cross multiply
    81,082,493.78x = 121,644,472.47 × 23,574,764.97
  4. Step 4: Simplify right side
    81,082,493.78x = 2,867,739,848,379,885
  5. Step 5: Solve for x
    x = 2,867,739,848,379,885/81,082,493.78
  6. Step 6: Final answer
    x = 35,368,175.24

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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.