Home / 212,872,208.20-318,860,414.70-177,040,400.20

Finding the Fourth Proportional to 212,872,208.20, 318,860,414.70 and 177,040,400.20

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Solution

The fourth proportional to 212,872,208.20, 318,860,414.70 and 177,040,400.20 is: 265,188,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,872,208.20 : 318,860,414.70 = 177,040,400.20 : x
  2. Step 2: Convert to fraction form
    212,872,208.20/318,860,414.70 = 177,040,400.20/x
  3. Step 3: Cross multiply
    212,872,208.20x = 318,860,414.70 × 177,040,400.20
  4. Step 4: Simplify right side
    212,872,208.20x = 56,451,175,426,425,960
  5. Step 5: Solve for x
    x = 56,451,175,426,425,960/212,872,208.20
  6. Step 6: Final answer
    x = 265,188,095.26

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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.