Home / 144,546,366,979.76-199,478,770,235.57-79,443,101,891.52

Finding the Fourth Proportional to 144,546,366,979.76, 199,478,770,235.57 and 79,443,101,891.52

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Solution

The fourth proportional to 144,546,366,979.76, 199,478,770,235.57 and 79,443,101,891.52 is: 109,634,109,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,979.76 : 199,478,770,235.57 = 79,443,101,891.52 : x
  2. Step 2: Convert to fraction form
    144,546,366,979.76/199,478,770,235.57 = 79,443,101,891.52/x
  3. Step 3: Cross multiply
    144,546,366,979.76x = 199,478,770,235.57 × 79,443,101,891.52
  4. Step 4: Simplify right side
    144,546,366,979.76x = 15,847,212,269,019,496,185,856
  5. Step 5: Solve for x
    x = 15,847,212,269,019,496,185,856/144,546,366,979.76
  6. Step 6: Final answer
    x = 109,634,109,802.56

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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.