Home / 49,787,858.22-74,639,190.21-19,104,456.78

Finding the Fourth Proportional to 49,787,858.22, 74,639,190.21 and 19,104,456.78

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Solution

The fourth proportional to 49,787,858.22, 74,639,190.21 and 19,104,456.78 is: 28,640,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787,858.22 : 74,639,190.21 = 19,104,456.78 : x
  2. Step 2: Convert to fraction form
    49,787,858.22/74,639,190.21 = 19,104,456.78/x
  3. Step 3: Cross multiply
    49,787,858.22x = 74,639,190.21 × 19,104,456.78
  4. Step 4: Simplify right side
    49,787,858.22x = 1,425,941,183,461,144
  5. Step 5: Solve for x
    x = 1,425,941,183,461,144/49,787,858.22
  6. Step 6: Final answer
    x = 28,640,339.92

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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.