Home / 154,691,222,249.42-213,473,896,969.77-86,101,163,388.69

Finding the Fourth Proportional to 154,691,222,249.42, 213,473,896,969.77 and 86,101,163,388.69

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Solution

The fourth proportional to 154,691,222,249.42, 213,473,896,969.77 and 86,101,163,388.69 is: 118,819,611,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,691,222,249.42 : 213,473,896,969.77 = 86,101,163,388.69 : x
  2. Step 2: Convert to fraction form
    154,691,222,249.42/213,473,896,969.77 = 86,101,163,388.69/x
  3. Step 3: Cross multiply
    154,691,222,249.42x = 213,473,896,969.77 × 86,101,163,388.69
  4. Step 4: Simplify right side
    154,691,222,249.42x = 18,380,350,882,214,540,476,416
  5. Step 5: Solve for x
    x = 18,380,350,882,214,540,476,416/154,691,222,249.42
  6. Step 6: Final answer
    x = 118,819,611,190.21

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Double scale
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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.