Home / 320,412,317.88-442,177,693.16-181,203,897

Finding the Fourth Proportional to 320,412,317.88, 442,177,693.16 and 181,203,897

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Solution

The fourth proportional to 320,412,317.88, 442,177,693.16 and 181,203,897 is: 250,066,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,412,317.88 : 442,177,693.16 = 181,203,897 : x
  2. Step 2: Convert to fraction form
    320,412,317.88/442,177,693.16 = 181,203,897/x
  3. Step 3: Cross multiply
    320,412,317.88x = 442,177,693.16 × 181,203,897
  4. Step 4: Simplify right side
    320,412,317.88x = 80,124,321,167,062,256
  5. Step 5: Solve for x
    x = 80,124,321,167,062,256/320,412,317.88
  6. Step 6: Final answer
    x = 250,066,294.88

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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.