Home / 66,839,726.68-100,239,179.82-46,222,691.80

Finding the Fourth Proportional to 66,839,726.68, 100,239,179.82 and 46,222,691.80

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Solution

The fourth proportional to 66,839,726.68, 100,239,179.82 and 46,222,691.80 is: 69,319,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,839,726.68 : 100,239,179.82 = 46,222,691.80 : x
  2. Step 2: Convert to fraction form
    66,839,726.68/100,239,179.82 = 46,222,691.80/x
  3. Step 3: Cross multiply
    66,839,726.68x = 100,239,179.82 × 46,222,691.80
  4. Step 4: Simplify right side
    66,839,726.68x = 4,633,324,715,104,639
  5. Step 5: Solve for x
    x = 4,633,324,715,104,639/66,839,726.68
  6. Step 6: Final answer
    x = 69,319,923.12

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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.