Home / 144,546,366,979.50-199,478,770,235.22-79,443,101,891.27

Finding the Fourth Proportional to 144,546,366,979.50, 199,478,770,235.22 and 79,443,101,891.27

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Solution

The fourth proportional to 144,546,366,979.50, 199,478,770,235.22 and 79,443,101,891.27 is: 109,634,109,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,979.50 : 199,478,770,235.22 = 79,443,101,891.27 : x
  2. Step 2: Convert to fraction form
    144,546,366,979.50/199,478,770,235.22 = 79,443,101,891.27/x
  3. Step 3: Cross multiply
    144,546,366,979.50x = 199,478,770,235.22 × 79,443,101,891.27
  4. Step 4: Simplify right side
    144,546,366,979.50x = 15,847,212,268,941,819,772,928
  5. Step 5: Solve for x
    x = 15,847,212,268,941,819,772,928/144,546,366,979.50
  6. Step 6: Final answer
    x = 109,634,109,802.22

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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.