Home / 206,122,117.20-309,183,175.80-173,837,076.45

Finding the Fourth Proportional to 206,122,117.20, 309,183,175.80 and 173,837,076.45

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Solution

The fourth proportional to 206,122,117.20, 309,183,175.80 and 173,837,076.45 is: 260,755,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,122,117.20 : 309,183,175.80 = 173,837,076.45 : x
  2. Step 2: Convert to fraction form
    206,122,117.20/309,183,175.80 = 173,837,076.45/x
  3. Step 3: Cross multiply
    206,122,117.20x = 309,183,175.80 × 173,837,076.45
  4. Step 4: Simplify right side
    206,122,117.20x = 53,747,499,368,598,392
  5. Step 5: Solve for x
    x = 53,747,499,368,598,392/206,122,117.20
  6. Step 6: Final answer
    x = 260,755,614.68

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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.