Home / 221,054,052,039-331,600,065,662.28-77,620,751,660.76

Finding the Fourth Proportional to 221,054,052,039, 331,600,065,662.28 and 77,620,751,660.76

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Solution

The fourth proportional to 221,054,052,039, 331,600,065,662.28 and 77,620,751,660.76 is: 116,437,794,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,054,052,039 : 331,600,065,662.28 = 77,620,751,660.76 : x
  2. Step 2: Convert to fraction form
    221,054,052,039/331,600,065,662.28 = 77,620,751,660.76/x
  3. Step 3: Cross multiply
    221,054,052,039x = 331,600,065,662.28 × 77,620,751,660.76
  4. Step 4: Simplify right side
    221,054,052,039x = 25,739,046,347,463,546,896,384
  5. Step 5: Solve for x
    x = 25,739,046,347,463,546,896,384/221,054,052,039
  6. Step 6: Final answer
    x = 116,437,794,783.89

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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.