Home / 220,056,963.10-303,685,891.65-120,941,222.78

Finding the Fourth Proportional to 220,056,963.10, 303,685,891.65 and 120,941,222.78

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Solution

The fourth proportional to 220,056,963.10, 303,685,891.65 and 120,941,222.78 is: 166,902,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,056,963.10 : 303,685,891.65 = 120,941,222.78 : x
  2. Step 2: Convert to fraction form
    220,056,963.10/303,685,891.65 = 120,941,222.78/x
  3. Step 3: Cross multiply
    220,056,963.10x = 303,685,891.65 × 120,941,222.78
  4. Step 4: Simplify right side
    220,056,963.10x = 36,728,143,077,944,800
  5. Step 5: Solve for x
    x = 36,728,143,077,944,800/220,056,963.10
  6. Step 6: Final answer
    x = 166,902,889.87

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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.