Home / 336,770,412.75-505,155,619.49-81,468,780.75

Finding the Fourth Proportional to 336,770,412.75, 505,155,619.49 and 81,468,780.75

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Solution

The fourth proportional to 336,770,412.75, 505,155,619.49 and 81,468,780.75 is: 122,203,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,770,412.75 : 505,155,619.49 = 81,468,780.75 : x
  2. Step 2: Convert to fraction form
    336,770,412.75/505,155,619.49 = 81,468,780.75/x
  3. Step 3: Cross multiply
    336,770,412.75x = 505,155,619.49 × 81,468,780.75
  4. Step 4: Simplify right side
    336,770,412.75x = 41,154,412,408,453,896
  5. Step 5: Solve for x
    x = 41,154,412,408,453,896/336,770,412.75
  6. Step 6: Final answer
    x = 122,203,171.21

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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.