Home / 206,792,384.30-310,188,576.45-91,788,551.90

Finding the Fourth Proportional to 206,792,384.30, 310,188,576.45 and 91,788,551.90

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Solution

The fourth proportional to 206,792,384.30, 310,188,576.45 and 91,788,551.90 is: 137,682,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,792,384.30 : 310,188,576.45 = 91,788,551.90 : x
  2. Step 2: Convert to fraction form
    206,792,384.30/310,188,576.45 = 91,788,551.90/x
  3. Step 3: Cross multiply
    206,792,384.30x = 310,188,576.45 × 91,788,551.90
  4. Step 4: Simplify right side
    206,792,384.30x = 28,471,760,248,267,944
  5. Step 5: Solve for x
    x = 28,471,760,248,267,944/206,792,384.30
  6. Step 6: Final answer
    x = 137,682,827.85

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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.