Home / 69,777,862.92-104,666,787.45-18,658,553.10

Finding the Fourth Proportional to 69,777,862.92, 104,666,787.45 and 18,658,553.10

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Solution

The fourth proportional to 69,777,862.92, 104,666,787.45 and 18,658,553.10 is: 27,987,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777,862.92 : 104,666,787.45 = 18,658,553.10 : x
  2. Step 2: Convert to fraction form
    69,777,862.92/104,666,787.45 = 18,658,553.10/x
  3. Step 3: Cross multiply
    69,777,862.92x = 104,666,787.45 × 18,658,553.10
  4. Step 4: Simplify right side
    69,777,862.92x = 1,952,930,811,442,238.75
  5. Step 5: Solve for x
    x = 1,952,930,811,442,238.75/69,777,862.92
  6. Step 6: Final answer
    x = 27,987,827.80

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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.