Home / 207,508,716.36-311,317,588.89-74,574,993.92

Finding the Fourth Proportional to 207,508,716.36, 311,317,588.89 and 74,574,993.92

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Solution

The fourth proportional to 207,508,716.36, 311,317,588.89 and 74,574,993.92 is: 111,882,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,508,716.36 : 311,317,588.89 = 74,574,993.92 : x
  2. Step 2: Convert to fraction form
    207,508,716.36/311,317,588.89 = 74,574,993.92/x
  3. Step 3: Cross multiply
    207,508,716.36x = 311,317,588.89 × 74,574,993.92
  4. Step 4: Simplify right side
    207,508,716.36x = 23,216,507,297,104,224
  5. Step 5: Solve for x
    x = 23,216,507,297,104,224/207,508,716.36
  6. Step 6: Final answer
    x = 111,882,082.37

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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.