Home / 221,591,477.45-332,393,987.68-76,022,996.92

Finding the Fourth Proportional to 221,591,477.45, 332,393,987.68 and 76,022,996.92

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Solution

The fourth proportional to 221,591,477.45, 332,393,987.68 and 76,022,996.92 is: 114,036,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,591,477.45 : 332,393,987.68 = 76,022,996.92 : x
  2. Step 2: Convert to fraction form
    221,591,477.45/332,393,987.68 = 76,022,996.92/x
  3. Step 3: Cross multiply
    221,591,477.45x = 332,393,987.68 × 76,022,996.92
  4. Step 4: Simplify right side
    221,591,477.45x = 25,269,587,100,602,116
  5. Step 5: Solve for x
    x = 25,269,587,100,602,116/221,591,477.45
  6. Step 6: Final answer
    x = 114,036,818.52

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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.