Home / 80,723,480.40-121,101,155.60-29,605,942.08

Finding the Fourth Proportional to 80,723,480.40, 121,101,155.60 and 29,605,942.08

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Solution

The fourth proportional to 80,723,480.40, 121,101,155.60 and 29,605,942.08 is: 44,414,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723,480.40 : 121,101,155.60 = 29,605,942.08 : x
  2. Step 2: Convert to fraction form
    80,723,480.40/121,101,155.60 = 29,605,942.08/x
  3. Step 3: Cross multiply
    80,723,480.40x = 121,101,155.60 × 29,605,942.08
  4. Step 4: Simplify right side
    80,723,480.40x = 3,585,313,798,514,667.50
  5. Step 5: Solve for x
    x = 3,585,313,798,514,667.50/80,723,480.40
  6. Step 6: Final answer
    x = 44,414,757.40

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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.