Home / 349,260,121.67-523,890,183.07-141,949,961.78

Finding the Fourth Proportional to 349,260,121.67, 523,890,183.07 and 141,949,961.78

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Solution

The fourth proportional to 349,260,121.67, 523,890,183.07 and 141,949,961.78 is: 212,924,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,260,121.67 : 523,890,183.07 = 141,949,961.78 : x
  2. Step 2: Convert to fraction form
    349,260,121.67/523,890,183.07 = 141,949,961.78/x
  3. Step 3: Cross multiply
    349,260,121.67x = 523,890,183.07 × 141,949,961.78
  4. Step 4: Simplify right side
    349,260,121.67x = 74,366,191,464,211,184
  5. Step 5: Solve for x
    x = 74,366,191,464,211,184/349,260,121.67
  6. Step 6: Final answer
    x = 212,924,942.90

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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.