Home / 212,872,207.20-318,860,413.20-177,040,399.20

Finding the Fourth Proportional to 212,872,207.20, 318,860,413.20 and 177,040,399.20

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Solution

The fourth proportional to 212,872,207.20, 318,860,413.20 and 177,040,399.20 is: 265,188,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,872,207.20 : 318,860,413.20 = 177,040,399.20 : x
  2. Step 2: Convert to fraction form
    212,872,207.20/318,860,413.20 = 177,040,399.20/x
  3. Step 3: Cross multiply
    212,872,207.20x = 318,860,413.20 × 177,040,399.20
  4. Step 4: Simplify right side
    212,872,207.20x = 56,451,174,842,004,944
  5. Step 5: Solve for x
    x = 56,451,174,842,004,944/212,872,207.20
  6. Step 6: Final answer
    x = 265,188,093.76

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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.