Home / 146,285,446.88-219,135,785.42-87,961,190.45

Finding the Fourth Proportional to 146,285,446.88, 219,135,785.42 and 87,961,190.45

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Solution

The fourth proportional to 146,285,446.88, 219,135,785.42 and 87,961,190.45 is: 131,765,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,285,446.88 : 219,135,785.42 = 87,961,190.45 : x
  2. Step 2: Convert to fraction form
    146,285,446.88/219,135,785.42 = 87,961,190.45/x
  3. Step 3: Cross multiply
    146,285,446.88x = 219,135,785.42 × 87,961,190.45
  4. Step 4: Simplify right side
    146,285,446.88x = 19,275,444,554,203,468
  5. Step 5: Solve for x
    x = 19,275,444,554,203,468/146,285,446.88
  6. Step 6: Final answer
    x = 131,765,975.13

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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.