Home / 82,100,608.64-122,942,469.96-49,290,769.68

Finding the Fourth Proportional to 82,100,608.64, 122,942,469.96 and 49,290,769.68

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Solution

The fourth proportional to 82,100,608.64, 122,942,469.96 and 49,290,769.68 is: 73,811,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,100,608.64 : 122,942,469.96 = 49,290,769.68 : x
  2. Step 2: Convert to fraction form
    82,100,608.64/122,942,469.96 = 49,290,769.68/x
  3. Step 3: Cross multiply
    82,100,608.64x = 122,942,469.96 × 49,290,769.68
  4. Step 4: Simplify right side
    82,100,608.64x = 6,059,928,970,688,678
  5. Step 5: Solve for x
    x = 6,059,928,970,688,678/82,100,608.64
  6. Step 6: Final answer
    x = 73,811,011.53

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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.