Home / 165,817,385.82-248,392,975.95-82,568,334.96

Finding the Fourth Proportional to 165,817,385.82, 248,392,975.95 and 82,568,334.96

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Solution

The fourth proportional to 165,817,385.82, 248,392,975.95 and 82,568,334.96 is: 123,686,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,817,385.82 : 248,392,975.95 = 82,568,334.96 : x
  2. Step 2: Convert to fraction form
    165,817,385.82/248,392,975.95 = 82,568,334.96/x
  3. Step 3: Cross multiply
    165,817,385.82x = 248,392,975.95 × 82,568,334.96
  4. Step 4: Simplify right side
    165,817,385.82x = 20,509,394,439,950,820
  5. Step 5: Solve for x
    x = 20,509,394,439,950,820/165,817,385.82
  6. Step 6: Final answer
    x = 123,686,634.78

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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.