Home / 146,021,914,728.76-201,511,425,493.62-80,917,429,515.25

Finding the Fourth Proportional to 146,021,914,728.76, 201,511,425,493.62 and 80,917,429,515.25

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Solution

The fourth proportional to 146,021,914,728.76, 201,511,425,493.62 and 80,917,429,515.25 is: 111,666,708,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021,914,728.76 : 201,511,425,493.62 = 80,917,429,515.25 : x
  2. Step 2: Convert to fraction form
    146,021,914,728.76/201,511,425,493.62 = 80,917,429,515.25/x
  3. Step 3: Cross multiply
    146,021,914,728.76x = 201,511,425,493.62 × 80,917,429,515.25
  4. Step 4: Simplify right side
    146,021,914,728.76x = 16,305,786,568,897,548,255,232
  5. Step 5: Solve for x
    x = 16,305,786,568,897,548,255,232/146,021,914,728.76
  6. Step 6: Final answer
    x = 111,666,708,378.58

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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.