Home / 79,667,072.80-109,943,940.48-44,384,846.56

Finding the Fourth Proportional to 79,667,072.80, 109,943,940.48 and 44,384,846.56

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Solution

The fourth proportional to 79,667,072.80, 109,943,940.48 and 44,384,846.56 is: 61,252,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,667,072.80 : 109,943,940.48 = 44,384,846.56 : x
  2. Step 2: Convert to fraction form
    79,667,072.80/109,943,940.48 = 44,384,846.56/x
  3. Step 3: Cross multiply
    79,667,072.80x = 109,943,940.48 × 44,384,846.56
  4. Step 4: Simplify right side
    79,667,072.80x = 4,879,844,928,406,573
  5. Step 5: Solve for x
    x = 4,879,844,928,406,573/79,667,072.80
  6. Step 6: Final answer
    x = 61,252,971.36

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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.