Home / 80,786,961.80-121,180,442.70-26,199,441.80

Finding the Fourth Proportional to 80,786,961.80, 121,180,442.70 and 26,199,441.80

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Solution

The fourth proportional to 80,786,961.80, 121,180,442.70 and 26,199,441.80 is: 39,299,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786,961.80 : 121,180,442.70 = 26,199,441.80 : x
  2. Step 2: Convert to fraction form
    80,786,961.80/121,180,442.70 = 26,199,441.80/x
  3. Step 3: Cross multiply
    80,786,961.80x = 121,180,442.70 × 26,199,441.80
  4. Step 4: Simplify right side
    80,786,961.80x = 3,174,859,955,816,885
  5. Step 5: Solve for x
    x = 3,174,859,955,816,885/80,786,961.80
  6. Step 6: Final answer
    x = 39,299,162.70

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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.