Home / 144,546,366,982.57-199,478,770,239.43-79,443,101,894.33

Finding the Fourth Proportional to 144,546,366,982.57, 199,478,770,239.43 and 79,443,101,894.33

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Solution

The fourth proportional to 144,546,366,982.57, 199,478,770,239.43 and 79,443,101,894.33 is: 109,634,109,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,982.57 : 199,478,770,239.43 = 79,443,101,894.33 : x
  2. Step 2: Convert to fraction form
    144,546,366,982.57/199,478,770,239.43 = 79,443,101,894.33/x
  3. Step 3: Cross multiply
    144,546,366,982.57x = 199,478,770,239.43 × 79,443,101,894.33
  4. Step 4: Simplify right side
    144,546,366,982.57x = 15,847,212,269,886,679,023,616
  5. Step 5: Solve for x
    x = 15,847,212,269,886,679,023,616/144,546,366,982.57
  6. Step 6: Final answer
    x = 109,634,109,806.42

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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.