Home / 206,369,451.60-309,690,379.94-109,393,260.46

Finding the Fourth Proportional to 206,369,451.60, 309,690,379.94 and 109,393,260.46

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Solution

The fourth proportional to 206,369,451.60, 309,690,379.94 and 109,393,260.46 is: 164,162,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,369,451.60 : 309,690,379.94 = 109,393,260.46 : x
  2. Step 2: Convert to fraction form
    206,369,451.60/309,690,379.94 = 109,393,260.46/x
  3. Step 3: Cross multiply
    206,369,451.60x = 309,690,379.94 × 109,393,260.46
  4. Step 4: Simplify right side
    206,369,451.60x = 33,878,040,394,732,776
  5. Step 5: Solve for x
    x = 33,878,040,394,732,776/206,369,451.60
  6. Step 6: Final answer
    x = 164,162,089.55

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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.