Home / 250,372,791.86-375,294,122.02-84,218,121.33

Finding the Fourth Proportional to 250,372,791.86, 375,294,122.02 and 84,218,121.33

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Solution

The fourth proportional to 250,372,791.86, 375,294,122.02 and 84,218,121.33 is: 126,238,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,372,791.86 : 375,294,122.02 = 84,218,121.33 : x
  2. Step 2: Convert to fraction form
    250,372,791.86/375,294,122.02 = 84,218,121.33/x
  3. Step 3: Cross multiply
    250,372,791.86x = 375,294,122.02 × 84,218,121.33
  4. Step 4: Simplify right side
    250,372,791.86x = 31,606,565,900,939,956
  5. Step 5: Solve for x
    x = 31,606,565,900,939,956/250,372,791.86
  6. Step 6: Final answer
    x = 126,238,021.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.