Home / 331,330,619.70-496,995,929.55-112,961,512.80

Finding the Fourth Proportional to 331,330,619.70, 496,995,929.55 and 112,961,512.80

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Solution

The fourth proportional to 331,330,619.70, 496,995,929.55 and 112,961,512.80 is: 169,442,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330,619.70 : 496,995,929.55 = 112,961,512.80 : x
  2. Step 2: Convert to fraction form
    331,330,619.70/496,995,929.55 = 112,961,512.80/x
  3. Step 3: Cross multiply
    331,330,619.70x = 496,995,929.55 × 112,961,512.80
  4. Step 4: Simplify right side
    331,330,619.70x = 56,141,412,057,410,224
  5. Step 5: Solve for x
    x = 56,141,412,057,410,224/331,330,619.70
  6. Step 6: Final answer
    x = 169,442,269.20

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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.