Home / 89,276,723.20-133,915,084.80-80,206,796.80

Finding the Fourth Proportional to 89,276,723.20, 133,915,084.80 and 80,206,796.80

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Solution

The fourth proportional to 89,276,723.20, 133,915,084.80 and 80,206,796.80 is: 120,310,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276,723.20 : 133,915,084.80 = 80,206,796.80 : x
  2. Step 2: Convert to fraction form
    89,276,723.20/133,915,084.80 = 80,206,796.80/x
  3. Step 3: Cross multiply
    89,276,723.20x = 133,915,084.80 × 80,206,796.80
  4. Step 4: Simplify right side
    89,276,723.20x = 10,740,899,995,008,368
  5. Step 5: Solve for x
    x = 10,740,899,995,008,368/89,276,723.20
  6. Step 6: Final answer
    x = 120,310,195.20

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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.