Home / 50,005,516.80-74,890,310.40-30,895,219.20

Finding the Fourth Proportional to 50,005,516.80, 74,890,310.40 and 30,895,219.20

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Solution

The fourth proportional to 50,005,516.80, 74,890,310.40 and 30,895,219.20 is: 46,269,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,005,516.80 : 74,890,310.40 = 30,895,219.20 : x
  2. Step 2: Convert to fraction form
    50,005,516.80/74,890,310.40 = 30,895,219.20/x
  3. Step 3: Cross multiply
    50,005,516.80x = 74,890,310.40 × 30,895,219.20
  4. Step 4: Simplify right side
    50,005,516.80x = 2,313,752,555,764,040
  5. Step 5: Solve for x
    x = 2,313,752,555,764,040/50,005,516.80
  6. Step 6: Final answer
    x = 46,269,945.87

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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.