Home / 79,719,375.24-119,579,064.48-19,135,101.24

Finding the Fourth Proportional to 79,719,375.24, 119,579,064.48 and 19,135,101.24

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Solution

The fourth proportional to 79,719,375.24, 119,579,064.48 and 19,135,101.24 is: 28,702,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,375.24 : 119,579,064.48 = 19,135,101.24 : x
  2. Step 2: Convert to fraction form
    79,719,375.24/119,579,064.48 = 19,135,101.24/x
  3. Step 3: Cross multiply
    79,719,375.24x = 119,579,064.48 × 19,135,101.24
  4. Step 4: Simplify right side
    79,719,375.24x = 2,288,157,505,009,288
  5. Step 5: Solve for x
    x = 2,288,157,505,009,288/79,719,375.24
  6. Step 6: Final answer
    x = 28,702,652.25

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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.