Home / 123,489,320.40-184,987,016.33-74,278,002.02

Finding the Fourth Proportional to 123,489,320.40, 184,987,016.33 and 74,278,002.02

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Solution

The fourth proportional to 123,489,320.40, 184,987,016.33 and 74,278,002.02 is: 111,268,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,489,320.40 : 184,987,016.33 = 74,278,002.02 : x
  2. Step 2: Convert to fraction form
    123,489,320.40/184,987,016.33 = 74,278,002.02/x
  3. Step 3: Cross multiply
    123,489,320.40x = 184,987,016.33 × 74,278,002.02
  4. Step 4: Simplify right side
    123,489,320.40x = 13,740,465,971,337,188
  5. Step 5: Solve for x
    x = 13,740,465,971,337,188/123,489,320.40
  6. Step 6: Final answer
    x = 111,268,455.66

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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.