Home / 220,093,255,145.52-330,076,043,138.16-85,757,781,616.56

Finding the Fourth Proportional to 220,093,255,145.52, 330,076,043,138.16 and 85,757,781,616.56

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Solution

The fourth proportional to 220,093,255,145.52, 330,076,043,138.16 and 85,757,781,616.56 is: 128,611,797,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,093,255,145.52 : 330,076,043,138.16 = 85,757,781,616.56 : x
  2. Step 2: Convert to fraction form
    220,093,255,145.52/330,076,043,138.16 = 85,757,781,616.56/x
  3. Step 3: Cross multiply
    220,093,255,145.52x = 330,076,043,138.16 × 85,757,781,616.56
  4. Step 4: Simplify right side
    220,093,255,145.52x = 28,306,589,224,300,561,039,360
  5. Step 5: Solve for x
    x = 28,306,589,224,300,561,039,360/220,093,255,145.52
  6. Step 6: Final answer
    x = 128,611,797,783.56

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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.