Home / 51,379,704.60-70,835,399.94-40,818,137.28

Finding the Fourth Proportional to 51,379,704.60, 70,835,399.94 and 40,818,137.28

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Solution

The fourth proportional to 51,379,704.60, 70,835,399.94 and 40,818,137.28 is: 56,274,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379,704.60 : 70,835,399.94 = 40,818,137.28 : x
  2. Step 2: Convert to fraction form
    51,379,704.60/70,835,399.94 = 40,818,137.28/x
  3. Step 3: Cross multiply
    51,379,704.60x = 70,835,399.94 × 40,818,137.28
  4. Step 4: Simplify right side
    51,379,704.60x = 2,891,369,079,034,624
  5. Step 5: Solve for x
    x = 2,891,369,079,034,624/51,379,704.60
  6. Step 6: Final answer
    x = 56,274,536.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.