Home / 150,086,865.05-225,169,112.37-87,890,705.30

Finding the Fourth Proportional to 150,086,865.05, 225,169,112.37 and 87,890,705.30

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Solution

The fourth proportional to 150,086,865.05, 225,169,112.37 and 87,890,705.30 is: 131,858,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,086,865.05 : 225,169,112.37 = 87,890,705.30 : x
  2. Step 2: Convert to fraction form
    150,086,865.05/225,169,112.37 = 87,890,705.30/x
  3. Step 3: Cross multiply
    150,086,865.05x = 225,169,112.37 × 87,890,705.30
  4. Step 4: Simplify right side
    150,086,865.05x = 19,790,272,096,848,408
  5. Step 5: Solve for x
    x = 19,790,272,096,848,408/150,086,865.05
  6. Step 6: Final answer
    x = 131,858,787.85

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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.