Home / 206,494,000.60-309,741,000.90-91,356,323.80

Finding the Fourth Proportional to 206,494,000.60, 309,741,000.90 and 91,356,323.80

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Solution

The fourth proportional to 206,494,000.60, 309,741,000.90 and 91,356,323.80 is: 137,034,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,494,000.60 : 309,741,000.90 = 91,356,323.80 : x
  2. Step 2: Convert to fraction form
    206,494,000.60/309,741,000.90 = 91,356,323.80/x
  3. Step 3: Cross multiply
    206,494,000.60x = 309,741,000.90 × 91,356,323.80
  4. Step 4: Simplify right side
    206,494,000.60x = 28,296,799,172,356,488
  5. Step 5: Solve for x
    x = 28,296,799,172,356,488/206,494,000.60
  6. Step 6: Final answer
    x = 137,034,485.70

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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.