Home / 81,568,984.37-112,568,168.11-44,397,467.67

Finding the Fourth Proportional to 81,568,984.37, 112,568,168.11 and 44,397,467.67

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Solution

The fourth proportional to 81,568,984.37, 112,568,168.11 and 44,397,467.67 is: 61,270,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,568,984.37 : 112,568,168.11 = 44,397,467.67 : x
  2. Step 2: Convert to fraction form
    81,568,984.37/112,568,168.11 = 44,397,467.67/x
  3. Step 3: Cross multiply
    81,568,984.37x = 112,568,168.11 × 44,397,467.67
  4. Step 4: Simplify right side
    81,568,984.37x = 4,997,741,604,508,808
  5. Step 5: Solve for x
    x = 4,997,741,604,508,808/81,568,984.37
  6. Step 6: Final answer
    x = 61,270,121.76

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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.