Home / 336,770,410.50-505,155,616.11-81,468,778.50

Finding the Fourth Proportional to 336,770,410.50, 505,155,616.11 and 81,468,778.50

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Solution

The fourth proportional to 336,770,410.50, 505,155,616.11 and 81,468,778.50 is: 122,203,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,770,410.50 : 505,155,616.11 = 81,468,778.50 : x
  2. Step 2: Convert to fraction form
    336,770,410.50/505,155,616.11 = 81,468,778.50/x
  3. Step 3: Cross multiply
    336,770,410.50x = 505,155,616.11 × 81,468,778.50
  4. Step 4: Simplify right side
    336,770,410.50x = 41,154,410,996,896,624
  5. Step 5: Solve for x
    x = 41,154,410,996,896,624/336,770,410.50
  6. Step 6: Final answer
    x = 122,203,167.84

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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.