Home / 72,608,080.05-100,199,171.34-39,568,338.27

Finding the Fourth Proportional to 72,608,080.05, 100,199,171.34 and 39,568,338.27

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Solution

The fourth proportional to 72,608,080.05, 100,199,171.34 and 39,568,338.27 is: 54,604,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,608,080.05 : 100,199,171.34 = 39,568,338.27 : x
  2. Step 2: Convert to fraction form
    72,608,080.05/100,199,171.34 = 39,568,338.27/x
  3. Step 3: Cross multiply
    72,608,080.05x = 100,199,171.34 × 39,568,338.27
  4. Step 4: Simplify right side
    72,608,080.05x = 3,964,714,705,954,809.50
  5. Step 5: Solve for x
    x = 3,964,714,705,954,809.50/72,608,080.05
  6. Step 6: Final answer
    x = 54,604,318.19

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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.