Home / 80,789,524.74-121,363,648.45-50,106,778.61

Finding the Fourth Proportional to 80,789,524.74, 121,363,648.45 and 50,106,778.61

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Solution

The fourth proportional to 80,789,524.74, 121,363,648.45 and 50,106,778.61 is: 75,271,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,789,524.74 : 121,363,648.45 = 50,106,778.61 : x
  2. Step 2: Convert to fraction form
    80,789,524.74/121,363,648.45 = 50,106,778.61/x
  3. Step 3: Cross multiply
    80,789,524.74x = 121,363,648.45 × 50,106,778.61
  4. Step 4: Simplify right side
    80,789,524.74x = 6,081,141,463,453,934
  5. Step 5: Solve for x
    x = 6,081,141,463,453,934/80,789,524.74
  6. Step 6: Final answer
    x = 75,271,410.29

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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.