Home / 215,239,338.20-322,859,007.30-194,832,003.80

Finding the Fourth Proportional to 215,239,338.20, 322,859,007.30 and 194,832,003.80

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Solution

The fourth proportional to 215,239,338.20, 322,859,007.30 and 194,832,003.80 is: 292,248,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,239,338.20 : 322,859,007.30 = 194,832,003.80 : x
  2. Step 2: Convert to fraction form
    215,239,338.20/322,859,007.30 = 194,832,003.80/x
  3. Step 3: Cross multiply
    215,239,338.20x = 322,859,007.30 × 194,832,003.80
  4. Step 4: Simplify right side
    215,239,338.20x = 62,903,267,337,137,832
  5. Step 5: Solve for x
    x = 62,903,267,337,137,832/215,239,338.20
  6. Step 6: Final answer
    x = 292,248,005.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.