Home / 100,570,845,200.88-150,732,046,604.54-86,305,538,520.29

Finding the Fourth Proportional to 100,570,845,200.88, 150,732,046,604.54 and 86,305,538,520.29

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Solution

The fourth proportional to 100,570,845,200.88, 150,732,046,604.54 and 86,305,538,520.29 is: 129,351,706,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,570,845,200.88 : 150,732,046,604.54 = 86,305,538,520.29 : x
  2. Step 2: Convert to fraction form
    100,570,845,200.88/150,732,046,604.54 = 86,305,538,520.29/x
  3. Step 3: Cross multiply
    100,570,845,200.88x = 150,732,046,604.54 × 86,305,538,520.29
  4. Step 4: Simplify right side
    100,570,845,200.88x = 13,009,010,454,469,523,013,632
  5. Step 5: Solve for x
    x = 13,009,010,454,469,523,013,632/100,570,845,200.88
  6. Step 6: Final answer
    x = 129,351,706,535.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.