Home / 318,507,268.97-477,777,930.03-100,174,636.37

Finding the Fourth Proportional to 318,507,268.97, 477,777,930.03 and 100,174,636.37

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Solution

The fourth proportional to 318,507,268.97, 477,777,930.03 and 100,174,636.37 is: 150,267,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,507,268.97 : 477,777,930.03 = 100,174,636.37 : x
  2. Step 2: Convert to fraction form
    318,507,268.97/477,777,930.03 = 100,174,636.37/x
  3. Step 3: Cross multiply
    318,507,268.97x = 477,777,930.03 × 100,174,636.37
  4. Step 4: Simplify right side
    318,507,268.97x = 47,861,230,403,610,256
  5. Step 5: Solve for x
    x = 47,861,230,403,610,256/318,507,268.97
  6. Step 6: Final answer
    x = 150,267,309.62

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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.