Home / 80,798,797.56-121,215,238.78-26,207,143.32

Finding the Fourth Proportional to 80,798,797.56, 121,215,238.78 and 26,207,143.32

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Solution

The fourth proportional to 80,798,797.56, 121,215,238.78 and 26,207,143.32 is: 39,316,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,798,797.56 : 121,215,238.78 = 26,207,143.32 : x
  2. Step 2: Convert to fraction form
    80,798,797.56/121,215,238.78 = 26,207,143.32/x
  3. Step 3: Cross multiply
    80,798,797.56x = 121,215,238.78 × 26,207,143.32
  4. Step 4: Simplify right side
    80,798,797.56x = 3,176,705,135,275,482
  5. Step 5: Solve for x
    x = 3,176,705,135,275,482/80,798,797.56
  6. Step 6: Final answer
    x = 39,316,242.71

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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.