Home / 49,787,860.22-74,639,193.21-19,104,458.78

Finding the Fourth Proportional to 49,787,860.22, 74,639,193.21 and 19,104,458.78

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Solution

The fourth proportional to 49,787,860.22, 74,639,193.21 and 19,104,458.78 is: 28,640,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787,860.22 : 74,639,193.21 = 19,104,458.78 : x
  2. Step 2: Convert to fraction form
    49,787,860.22/74,639,193.21 = 19,104,458.78/x
  3. Step 3: Cross multiply
    49,787,860.22x = 74,639,193.21 × 19,104,458.78
  4. Step 4: Simplify right side
    49,787,860.22x = 1,425,941,390,052,900.75
  5. Step 5: Solve for x
    x = 1,425,941,390,052,900.75/49,787,860.22
  6. Step 6: Final answer
    x = 28,640,342.92

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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.