Home / 120,003,579,793.54-165,589,719,137.85-65,795,863,778.02

Finding the Fourth Proportional to 120,003,579,793.54, 165,589,719,137.85 and 65,795,863,778.02

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Solution

The fourth proportional to 120,003,579,793.54, 165,589,719,137.85 and 65,795,863,778.02 is: 90,789,946,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003,579,793.54 : 165,589,719,137.85 = 65,795,863,778.02 : x
  2. Step 2: Convert to fraction form
    120,003,579,793.54/165,589,719,137.85 = 65,795,863,778.02/x
  3. Step 3: Cross multiply
    120,003,579,793.54x = 165,589,719,137.85 × 65,795,863,778.02
  4. Step 4: Simplify right side
    120,003,579,793.54x = 10,895,118,603,434,569,236,480
  5. Step 5: Solve for x
    x = 10,895,118,603,434,569,236,480/120,003,579,793.54
  6. Step 6: Final answer
    x = 90,789,946,618.08

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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.