Home / 99,485,825.46-137,290,983.78-57,694,668.84

Finding the Fourth Proportional to 99,485,825.46, 137,290,983.78 and 57,694,668.84

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Solution

The fourth proportional to 99,485,825.46, 137,290,983.78 and 57,694,668.84 is: 79,618,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,485,825.46 : 137,290,983.78 = 57,694,668.84 : x
  2. Step 2: Convert to fraction form
    99,485,825.46/137,290,983.78 = 57,694,668.84/x
  3. Step 3: Cross multiply
    99,485,825.46x = 137,290,983.78 × 57,694,668.84
  4. Step 4: Simplify right side
    99,485,825.46x = 7,920,957,843,904,912
  5. Step 5: Solve for x
    x = 7,920,957,843,904,912/99,485,825.46
  6. Step 6: Final answer
    x = 79,618,958.85

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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.