Home / 220,056,388.68-303,685,097.16-120,940,649.40

Finding the Fourth Proportional to 220,056,388.68, 303,685,097.16 and 120,940,649.40

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Solution

The fourth proportional to 220,056,388.68, 303,685,097.16 and 120,940,649.40 is: 166,902,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,056,388.68 : 303,685,097.16 = 120,940,649.40 : x
  2. Step 2: Convert to fraction form
    220,056,388.68/303,685,097.16 = 120,940,649.40/x
  3. Step 3: Cross multiply
    220,056,388.68x = 303,685,097.16 × 120,940,649.40
  4. Step 4: Simplify right side
    220,056,388.68x = 36,727,872,863,632,504
  5. Step 5: Solve for x
    x = 36,727,872,863,632,504/220,056,388.68
  6. Step 6: Final answer
    x = 166,902,097.61

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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.