Home / 215,181,890.18-322,813,755.41-148,987,469.10

Finding the Fourth Proportional to 215,181,890.18, 322,813,755.41 and 148,987,469.10

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Solution

The fourth proportional to 215,181,890.18, 322,813,755.41 and 148,987,469.10 is: 223,509,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,181,890.18 : 322,813,755.41 = 148,987,469.10 : x
  2. Step 2: Convert to fraction form
    215,181,890.18/322,813,755.41 = 148,987,469.10/x
  3. Step 3: Cross multiply
    215,181,890.18x = 322,813,755.41 × 148,987,469.10
  4. Step 4: Simplify right side
    215,181,890.18x = 48,095,204,408,457,392
  5. Step 5: Solve for x
    x = 48,095,204,408,457,392/215,181,890.18
  6. Step 6: Final answer
    x = 223,509,535.91

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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.