Home / 220,354,235.87-330,490,243.67-89,162,131.05

Finding the Fourth Proportional to 220,354,235.87, 330,490,243.67 and 89,162,131.05

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Solution

The fourth proportional to 220,354,235.87, 330,490,243.67 and 89,162,131.05 is: 133,726,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,354,235.87 : 330,490,243.67 = 89,162,131.05 : x
  2. Step 2: Convert to fraction form
    220,354,235.87/330,490,243.67 = 89,162,131.05/x
  3. Step 3: Cross multiply
    220,354,235.87x = 330,490,243.67 × 89,162,131.05
  4. Step 4: Simplify right side
    220,354,235.87x = 29,467,214,416,405,164
  5. Step 5: Solve for x
    x = 29,467,214,416,405,164/220,354,235.87
  6. Step 6: Final answer
    x = 133,726,562.15

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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.