Home / 215,090,986.66-322,635,987.92-92,189,612.96

Finding the Fourth Proportional to 215,090,986.66, 322,635,987.92 and 92,189,612.96

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Solution

The fourth proportional to 215,090,986.66, 322,635,987.92 and 92,189,612.96 is: 138,284,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,090,986.66 : 322,635,987.92 = 92,189,612.96 : x
  2. Step 2: Convert to fraction form
    215,090,986.66/322,635,987.92 = 92,189,612.96/x
  3. Step 3: Cross multiply
    215,090,986.66x = 322,635,987.92 × 92,189,612.96
  4. Step 4: Simplify right side
    215,090,986.66x = 29,743,686,853,312,036
  5. Step 5: Solve for x
    x = 29,743,686,853,312,036/215,090,986.66
  6. Step 6: Final answer
    x = 138,284,208.54

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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.