Home / 219,949,942.55-303,534,029.61-120,839,849.73

Finding the Fourth Proportional to 219,949,942.55, 303,534,029.61 and 120,839,849.73

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Solution

The fourth proportional to 219,949,942.55, 303,534,029.61 and 120,839,849.73 is: 166,760,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,949,942.55 : 303,534,029.61 = 120,839,849.73 : x
  2. Step 2: Convert to fraction form
    219,949,942.55/303,534,029.61 = 120,839,849.73/x
  3. Step 3: Cross multiply
    219,949,942.55x = 303,534,029.61 × 120,839,849.73
  4. Step 4: Simplify right side
    219,949,942.55x = 36,679,006,526,013,776
  5. Step 5: Solve for x
    x = 36,679,006,526,013,776/219,949,942.55
  6. Step 6: Final answer
    x = 166,760,700.65

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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.