Home / 220,952,944.32-305,045,713.92-196,438,832.64

Finding the Fourth Proportional to 220,952,944.32, 305,045,713.92 and 196,438,832.64

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Solution

The fourth proportional to 220,952,944.32, 305,045,713.92 and 196,438,832.64 is: 271,201,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,952,944.32 : 305,045,713.92 = 196,438,832.64 : x
  2. Step 2: Convert to fraction form
    220,952,944.32/305,045,713.92 = 196,438,832.64/x
  3. Step 3: Cross multiply
    220,952,944.32x = 305,045,713.92 × 196,438,832.64
  4. Step 4: Simplify right side
    220,952,944.32x = 59,922,823,944,280,200
  5. Step 5: Solve for x
    x = 59,922,823,944,280,200/220,952,944.32
  6. Step 6: Final answer
    x = 271,201,744.47

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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.