Home / 274,561,594.03-378,918,367.21-155,505,365.43

Finding the Fourth Proportional to 274,561,594.03, 378,918,367.21 and 155,505,365.43

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Solution

The fourth proportional to 274,561,594.03, 378,918,367.21 and 155,505,365.43 is: 214,610,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,561,594.03 : 378,918,367.21 = 155,505,365.43 : x
  2. Step 2: Convert to fraction form
    274,561,594.03/378,918,367.21 = 155,505,365.43/x
  3. Step 3: Cross multiply
    274,561,594.03x = 378,918,367.21 × 155,505,365.43
  4. Step 4: Simplify right side
    274,561,594.03x = 58,923,839,160,231,528
  5. Step 5: Solve for x
    x = 58,923,839,160,231,528/274,561,594.03
  6. Step 6: Final answer
    x = 214,610,639.07

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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.