Home / 234,939,469.32-324,246,363.30-142,120,641.96

Finding the Fourth Proportional to 234,939,469.32, 324,246,363.30 and 142,120,641.96

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Solution

The fourth proportional to 234,939,469.32, 324,246,363.30 and 142,120,641.96 is: 196,144,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,939,469.32 : 324,246,363.30 = 142,120,641.96 : x
  2. Step 2: Convert to fraction form
    234,939,469.32/324,246,363.30 = 142,120,641.96/x
  3. Step 3: Cross multiply
    234,939,469.32x = 324,246,363.30 × 142,120,641.96
  4. Step 4: Simplify right side
    234,939,469.32x = 46,082,101,305,391,392
  5. Step 5: Solve for x
    x = 46,082,101,305,391,392/234,939,469.32
  6. Step 6: Final answer
    x = 196,144,570.51

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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.