Home / 220,056,380.66-303,685,086.12-120,940,641.32

Finding the Fourth Proportional to 220,056,380.66, 303,685,086.12 and 120,940,641.32

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Solution

The fourth proportional to 220,056,380.66, 303,685,086.12 and 120,940,641.32 is: 166,902,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,056,380.66 : 303,685,086.12 = 120,940,641.32 : x
  2. Step 2: Convert to fraction form
    220,056,380.66/303,685,086.12 = 120,940,641.32/x
  3. Step 3: Cross multiply
    220,056,380.66x = 303,685,086.12 × 120,940,641.32
  4. Step 4: Simplify right side
    220,056,380.66x = 36,727,869,074,672,232
  5. Step 5: Solve for x
    x = 36,727,869,074,672,232/220,056,380.66
  6. Step 6: Final answer
    x = 166,902,086.48

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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.