Home / 144,546,366,979.44-199,478,770,235.14-79,443,101,891.21

Finding the Fourth Proportional to 144,546,366,979.44, 199,478,770,235.14 and 79,443,101,891.21

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Solution

The fourth proportional to 144,546,366,979.44, 199,478,770,235.14 and 79,443,101,891.21 is: 109,634,109,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,979.44 : 199,478,770,235.14 = 79,443,101,891.21 : x
  2. Step 2: Convert to fraction form
    144,546,366,979.44/199,478,770,235.14 = 79,443,101,891.21/x
  3. Step 3: Cross multiply
    144,546,366,979.44x = 199,478,770,235.14 × 79,443,101,891.21
  4. Step 4: Simplify right side
    144,546,366,979.44x = 15,847,212,268,922,498,711,552
  5. Step 5: Solve for x
    x = 15,847,212,268,922,498,711,552/144,546,366,979.44
  6. Step 6: Final answer
    x = 109,634,109,802.13

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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.