Home / 119,151,620.49-178,729,213.56-45,379,474.68

Finding the Fourth Proportional to 119,151,620.49, 178,729,213.56 and 45,379,474.68

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Solution

The fourth proportional to 119,151,620.49, 178,729,213.56 and 45,379,474.68 is: 68,069,891.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,151,620.49 : 178,729,213.56 = 45,379,474.68 : x
  2. Step 2: Convert to fraction form
    119,151,620.49/178,729,213.56 = 45,379,474.68/x
  3. Step 3: Cross multiply
    119,151,620.49x = 178,729,213.56 × 45,379,474.68
  4. Step 4: Simplify right side
    119,151,620.49x = 8,110,637,821,322,333
  5. Step 5: Solve for x
    x = 8,110,637,821,322,333/119,151,620.49
  6. Step 6: Final answer
    x = 68,069,891.02

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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.