Home / 49,942,059.20-74,857,101.60-21,183,300.80

Finding the Fourth Proportional to 49,942,059.20, 74,857,101.60 and 21,183,300.80

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Solution

The fourth proportional to 49,942,059.20, 74,857,101.60 and 21,183,300.80 is: 31,751,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,942,059.20 : 74,857,101.60 = 21,183,300.80 : x
  2. Step 2: Convert to fraction form
    49,942,059.20/74,857,101.60 = 21,183,300.80/x
  3. Step 3: Cross multiply
    49,942,059.20x = 74,857,101.60 × 21,183,300.80
  4. Step 4: Simplify right side
    49,942,059.20x = 1,585,720,500,208,961.25
  5. Step 5: Solve for x
    x = 1,585,720,500,208,961.25/49,942,059.20
  6. Step 6: Final answer
    x = 31,751,203.81

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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.