Home / 92,676,009.80-139,080,369.90-38,861,942.60

Finding the Fourth Proportional to 92,676,009.80, 139,080,369.90 and 38,861,942.60

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Solution

The fourth proportional to 92,676,009.80, 139,080,369.90 and 38,861,942.60 is: 58,320,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,676,009.80 : 139,080,369.90 = 38,861,942.60 : x
  2. Step 2: Convert to fraction form
    92,676,009.80/139,080,369.90 = 38,861,942.60/x
  3. Step 3: Cross multiply
    92,676,009.80x = 139,080,369.90 × 38,861,942.60
  4. Step 4: Simplify right side
    92,676,009.80x = 5,404,933,351,840,568
  5. Step 5: Solve for x
    x = 5,404,933,351,840,568/92,676,009.80
  6. Step 6: Final answer
    x = 58,320,738.71

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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.