Home / 89,276,722.20-133,915,083.30-80,206,795.80

Finding the Fourth Proportional to 89,276,722.20, 133,915,083.30 and 80,206,795.80

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Solution

The fourth proportional to 89,276,722.20, 133,915,083.30 and 80,206,795.80 is: 120,310,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276,722.20 : 133,915,083.30 = 80,206,795.80 : x
  2. Step 2: Convert to fraction form
    89,276,722.20/133,915,083.30 = 80,206,795.80/x
  3. Step 3: Cross multiply
    89,276,722.20x = 133,915,083.30 × 80,206,795.80
  4. Step 4: Simplify right side
    89,276,722.20x = 10,740,899,740,783,090
  5. Step 5: Solve for x
    x = 10,740,899,740,783,090/89,276,722.20
  6. Step 6: Final answer
    x = 120,310,193.70

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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.