Home / 206,864,524.10-310,296,786.15-91,726,847.30

Finding the Fourth Proportional to 206,864,524.10, 310,296,786.15 and 91,726,847.30

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Solution

The fourth proportional to 206,864,524.10, 310,296,786.15 and 91,726,847.30 is: 137,590,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,524.10 : 310,296,786.15 = 91,726,847.30 : x
  2. Step 2: Convert to fraction form
    206,864,524.10/310,296,786.15 = 91,726,847.30/x
  3. Step 3: Cross multiply
    206,864,524.10x = 310,296,786.15 × 91,726,847.30
  4. Step 4: Simplify right side
    206,864,524.10x = 28,462,545,920,861,800
  5. Step 5: Solve for x
    x = 28,462,545,920,861,800/206,864,524.10
  6. Step 6: Final answer
    x = 137,590,270.95

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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.