Home / 81,134,396.62-111,953,083.84-45,839,323.36

Finding the Fourth Proportional to 81,134,396.62, 111,953,083.84 and 45,839,323.36

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Solution

The fourth proportional to 81,134,396.62, 111,953,083.84 and 45,839,323.36 is: 63,251,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,134,396.62 : 111,953,083.84 = 45,839,323.36 : x
  2. Step 2: Convert to fraction form
    81,134,396.62/111,953,083.84 = 45,839,323.36/x
  3. Step 3: Cross multiply
    81,134,396.62x = 111,953,083.84 × 45,839,323.36
  4. Step 4: Simplify right side
    81,134,396.62x = 5,131,853,611,290,951
  5. Step 5: Solve for x
    x = 5,131,853,611,290,951/81,134,396.62
  6. Step 6: Final answer
    x = 63,251,269.81

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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.