Home / 128,036,865,621.72-192,037,863,842.82-33,701,913,692.76

Finding the Fourth Proportional to 128,036,865,621.72, 192,037,863,842.82 and 33,701,913,692.76

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Solution

The fourth proportional to 128,036,865,621.72, 192,037,863,842.82 and 33,701,913,692.76 is: 50,548,281,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,036,865,621.72 : 192,037,863,842.82 = 33,701,913,692.76 : x
  2. Step 2: Convert to fraction form
    128,036,865,621.72/192,037,863,842.82 = 33,701,913,692.76/x
  3. Step 3: Cross multiply
    128,036,865,621.72x = 192,037,863,842.82 × 33,701,913,692.76
  4. Step 4: Simplify right side
    128,036,865,621.72x = 6,472,043,512,972,716,277,760
  5. Step 5: Solve for x
    x = 6,472,043,512,972,716,277,760/128,036,865,621.72
  6. Step 6: Final answer
    x = 50,548,281,399.63

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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.