Home / 302,135,813.54-453,203,613.62-80,801,400.87

Finding the Fourth Proportional to 302,135,813.54, 453,203,613.62 and 80,801,400.87

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Solution

The fourth proportional to 302,135,813.54, 453,203,613.62 and 80,801,400.87 is: 121,202,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,135,813.54 : 453,203,613.62 = 80,801,400.87 : x
  2. Step 2: Convert to fraction form
    302,135,813.54/453,203,613.62 = 80,801,400.87/x
  3. Step 3: Cross multiply
    302,135,813.54x = 453,203,613.62 × 80,801,400.87
  4. Step 4: Simplify right side
    302,135,813.54x = 36,619,486,859,438,208
  5. Step 5: Solve for x
    x = 36,619,486,859,438,208/302,135,813.54
  6. Step 6: Final answer
    x = 121,202,072.77

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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.