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Finding the Fourth Proportional to 271,664,755.17, 407,410,745.07 and 87,389,337.42

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Solution

The fourth proportional to 271,664,755.17, 407,410,745.07 and 87,389,337.42 is: 131,056,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,664,755.17 : 407,410,745.07 = 87,389,337.42 : x
  2. Step 2: Convert to fraction form
    271,664,755.17/407,410,745.07 = 87,389,337.42/x
  3. Step 3: Cross multiply
    271,664,755.17x = 407,410,745.07 × 87,389,337.42
  4. Step 4: Simplify right side
    271,664,755.17x = 35,603,355,069,455,832
  5. Step 5: Solve for x
    x = 35,603,355,069,455,832/271,664,755.17
  6. Step 6: Final answer
    x = 131,056,216.87

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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.