Home / 215,664,279.80-323,496,419.70-134,034,942.20

Finding the Fourth Proportional to 215,664,279.80, 323,496,419.70 and 134,034,942.20

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Solution

The fourth proportional to 215,664,279.80, 323,496,419.70 and 134,034,942.20 is: 201,052,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,664,279.80 : 323,496,419.70 = 134,034,942.20 : x
  2. Step 2: Convert to fraction form
    215,664,279.80/323,496,419.70 = 134,034,942.20/x
  3. Step 3: Cross multiply
    215,664,279.80x = 323,496,419.70 × 134,034,942.20
  4. Step 4: Simplify right side
    215,664,279.80x = 43,359,823,916,396,440
  5. Step 5: Solve for x
    x = 43,359,823,916,396,440/215,664,279.80
  6. Step 6: Final answer
    x = 201,052,413.30

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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.