Home / 274,167,613.86-378,286,412.43-155,092,943.58

Finding the Fourth Proportional to 274,167,613.86, 378,286,412.43 and 155,092,943.58

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Solution

The fourth proportional to 274,167,613.86, 378,286,412.43 and 155,092,943.58 is: 213,991,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,167,613.86 : 378,286,412.43 = 155,092,943.58 : x
  2. Step 2: Convert to fraction form
    274,167,613.86/378,286,412.43 = 155,092,943.58/x
  3. Step 3: Cross multiply
    274,167,613.86x = 378,286,412.43 × 155,092,943.58
  4. Step 4: Simplify right side
    274,167,613.86x = 58,669,553,220,086,608
  5. Step 5: Solve for x
    x = 58,669,553,220,086,608/274,167,613.86
  6. Step 6: Final answer
    x = 213,991,552.08

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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.