Home / 144,546,366,978.43-199,478,770,233.78-79,443,101,890.22

Finding the Fourth Proportional to 144,546,366,978.43, 199,478,770,233.78 and 79,443,101,890.22

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Solution

The fourth proportional to 144,546,366,978.43, 199,478,770,233.78 and 79,443,101,890.22 is: 109,634,109,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,978.43 : 199,478,770,233.78 = 79,443,101,890.22 : x
  2. Step 2: Convert to fraction form
    144,546,366,978.43/199,478,770,233.78 = 79,443,101,890.22/x
  3. Step 3: Cross multiply
    144,546,366,978.43x = 199,478,770,233.78 × 79,443,101,890.22
  4. Step 4: Simplify right side
    144,546,366,978.43x = 15,847,212,268,618,568,957,952
  5. Step 5: Solve for x
    x = 15,847,212,268,618,568,957,952/144,546,366,978.43
  6. Step 6: Final answer
    x = 109,634,109,800.79

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1.5x scale

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.