Home / 55,149,049.60-82,723,574.40-40,800,142.60

Finding the Fourth Proportional to 55,149,049.60, 82,723,574.40 and 40,800,142.60

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Solution

The fourth proportional to 55,149,049.60, 82,723,574.40 and 40,800,142.60 is: 61,200,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149,049.60 : 82,723,574.40 = 40,800,142.60 : x
  2. Step 2: Convert to fraction form
    55,149,049.60/82,723,574.40 = 40,800,142.60/x
  3. Step 3: Cross multiply
    55,149,049.60x = 82,723,574.40 × 40,800,142.60
  4. Step 4: Simplify right side
    55,149,049.60x = 3,375,133,631,901,710
  5. Step 5: Solve for x
    x = 3,375,133,631,901,710/55,149,049.60
  6. Step 6: Final answer
    x = 61,200,213.90

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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.