Home / 49,787,843.21-74,639,167.72-19,104,441.78

Finding the Fourth Proportional to 49,787,843.21, 74,639,167.72 and 19,104,441.78

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Solution

The fourth proportional to 49,787,843.21, 74,639,167.72 and 19,104,441.78 is: 28,640,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787,843.21 : 74,639,167.72 = 19,104,441.78 : x
  2. Step 2: Convert to fraction form
    49,787,843.21/74,639,167.72 = 19,104,441.78/x
  3. Step 3: Cross multiply
    49,787,843.21x = 74,639,167.72 × 19,104,441.78
  4. Step 4: Simplify right side
    49,787,843.21x = 1,425,939,634,166,634.25
  5. Step 5: Solve for x
    x = 1,425,939,634,166,634.25/49,787,843.21
  6. Step 6: Final answer
    x = 28,640,317.44

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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.