Home / 308,494,496.25-425,723,213.28-167,365,709.37

Finding the Fourth Proportional to 308,494,496.25, 425,723,213.28 and 167,365,709.37

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Solution

The fourth proportional to 308,494,496.25, 425,723,213.28 and 167,365,709.37 is: 230,965,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,494,496.25 : 425,723,213.28 = 167,365,709.37 : x
  2. Step 2: Convert to fraction form
    308,494,496.25/425,723,213.28 = 167,365,709.37/x
  3. Step 3: Cross multiply
    308,494,496.25x = 425,723,213.28 × 167,365,709.37
  4. Step 4: Simplify right side
    308,494,496.25x = 71,251,467,585,883,000
  5. Step 5: Solve for x
    x = 71,251,467,585,883,000/308,494,496.25
  6. Step 6: Final answer
    x = 230,965,117.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.