Home / 221,120,574.72-331,369,083.84-104,411,406.72

Finding the Fourth Proportional to 221,120,574.72, 331,369,083.84 and 104,411,406.72

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Solution

The fourth proportional to 221,120,574.72, 331,369,083.84 and 104,411,406.72 is: 156,469,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,120,574.72 : 331,369,083.84 = 104,411,406.72 : x
  2. Step 2: Convert to fraction form
    221,120,574.72/331,369,083.84 = 104,411,406.72/x
  3. Step 3: Cross multiply
    221,120,574.72x = 331,369,083.84 × 104,411,406.72
  4. Step 4: Simplify right side
    221,120,574.72x = 34,598,712,187,252,016
  5. Step 5: Solve for x
    x = 34,598,712,187,252,016/221,120,574.72
  6. Step 6: Final answer
    x = 156,469,890.83

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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.