Home / 69,777,847.91-104,666,764.97-18,658,538.12

Finding the Fourth Proportional to 69,777,847.91, 104,666,764.97 and 18,658,538.12

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Solution

The fourth proportional to 69,777,847.91, 104,666,764.97 and 18,658,538.12 is: 27,987,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777,847.91 : 104,666,764.97 = 18,658,538.12 : x
  2. Step 2: Convert to fraction form
    69,777,847.91/104,666,764.97 = 18,658,538.12/x
  3. Step 3: Cross multiply
    69,777,847.91x = 104,666,764.97 × 18,658,538.12
  4. Step 4: Simplify right side
    69,777,847.91x = 1,952,928,823,473,199
  5. Step 5: Solve for x
    x = 1,952,928,823,473,199/69,777,847.91
  6. Step 6: Final answer
    x = 27,987,805.33

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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.