Home / 220,056,402.72-303,685,116.48-120,940,663.44

Finding the Fourth Proportional to 220,056,402.72, 303,685,116.48 and 120,940,663.44

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Solution

The fourth proportional to 220,056,402.72, 303,685,116.48 and 120,940,663.44 is: 166,902,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,056,402.72 : 303,685,116.48 = 120,940,663.44 : x
  2. Step 2: Convert to fraction form
    220,056,402.72/303,685,116.48 = 120,940,663.44/x
  3. Step 3: Cross multiply
    220,056,402.72x = 303,685,116.48 × 120,940,663.44
  4. Step 4: Simplify right side
    220,056,402.72x = 36,727,879,463,944,880
  5. Step 5: Solve for x
    x = 36,727,879,463,944,880/220,056,402.72
  6. Step 6: Final answer
    x = 166,902,116.96

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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.