Home / 222,742,660.20-307,380,247.38-123,617,650.65

Finding the Fourth Proportional to 222,742,660.20, 307,380,247.38 and 123,617,650.65

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Solution

The fourth proportional to 222,742,660.20, 307,380,247.38 and 123,617,650.65 is: 170,589,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,742,660.20 : 307,380,247.38 = 123,617,650.65 : x
  2. Step 2: Convert to fraction form
    222,742,660.20/307,380,247.38 = 123,617,650.65/x
  3. Step 3: Cross multiply
    222,742,660.20x = 307,380,247.38 × 123,617,650.65
  4. Step 4: Simplify right side
    222,742,660.20x = 37,997,624,037,331,416
  5. Step 5: Solve for x
    x = 37,997,624,037,331,416/222,742,660.20
  6. Step 6: Final answer
    x = 170,589,791.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.