Home / 73,629,976.86-101,609,676.05-40,589,500.75

Finding the Fourth Proportional to 73,629,976.86, 101,609,676.05 and 40,589,500.75

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Solution

The fourth proportional to 73,629,976.86, 101,609,676.05 and 40,589,500.75 is: 56,013,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,629,976.86 : 101,609,676.05 = 40,589,500.75 : x
  2. Step 2: Convert to fraction form
    73,629,976.86/101,609,676.05 = 40,589,500.75/x
  3. Step 3: Cross multiply
    73,629,976.86x = 101,609,676.05 × 40,589,500.75
  4. Step 4: Simplify right side
    73,629,976.86x = 4,124,286,021,781,760.50
  5. Step 5: Solve for x
    x = 4,124,286,021,781,760.50/73,629,976.86
  6. Step 6: Final answer
    x = 56,013,680.81

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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.