Home / 274,561,270.68-378,802,342.62-155,467,631.64

Finding the Fourth Proportional to 274,561,270.68, 378,802,342.62 and 155,467,631.64

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Solution

The fourth proportional to 274,561,270.68, 378,802,342.62 and 155,467,631.64 is: 214,493,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,561,270.68 : 378,802,342.62 = 155,467,631.64 : x
  2. Step 2: Convert to fraction form
    274,561,270.68/378,802,342.62 = 155,467,631.64/x
  3. Step 3: Cross multiply
    274,561,270.68x = 378,802,342.62 × 155,467,631.64
  4. Step 4: Simplify right side
    274,561,270.68x = 58,891,503,066,815,224
  5. Step 5: Solve for x
    x = 58,891,503,066,815,224/274,561,270.68
  6. Step 6: Final answer
    x = 214,493,118.13

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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.