Home / 215,664,413.80-323,496,620.70-134,035,076.20

Finding the Fourth Proportional to 215,664,413.80, 323,496,620.70 and 134,035,076.20

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Solution

The fourth proportional to 215,664,413.80, 323,496,620.70 and 134,035,076.20 is: 201,052,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,664,413.80 : 323,496,620.70 = 134,035,076.20 : x
  2. Step 2: Convert to fraction form
    215,664,413.80/323,496,620.70 = 134,035,076.20/x
  3. Step 3: Cross multiply
    215,664,413.80x = 323,496,620.70 × 134,035,076.20
  4. Step 4: Simplify right side
    215,664,413.80x = 43,359,894,205,967,000
  5. Step 5: Solve for x
    x = 43,359,894,205,967,000/215,664,413.80
  6. Step 6: Final answer
    x = 201,052,614.30

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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.