Home / 160,105,345,548.46-220,949,442,086.97-87,847,391,245.52

Finding the Fourth Proportional to 160,105,345,548.46, 220,949,442,086.97 and 87,847,391,245.52

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Solution

The fourth proportional to 160,105,345,548.46, 220,949,442,086.97 and 87,847,391,245.52 is: 121,231,630,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,105,345,548.46 : 220,949,442,086.97 = 87,847,391,245.52 : x
  2. Step 2: Convert to fraction form
    160,105,345,548.46/220,949,442,086.97 = 87,847,391,245.52/x
  3. Step 3: Cross multiply
    160,105,345,548.46x = 220,949,442,086.97 × 87,847,391,245.52
  4. Step 4: Simplify right side
    160,105,345,548.46x = 19,409,832,084,493,419,151,360
  5. Step 5: Solve for x
    x = 19,409,832,084,493,419,151,360/160,105,345,548.46
  6. Step 6: Final answer
    x = 121,231,630,449.33

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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.