Home / 118,764,115.80-178,146,173.70-107,284,990.20

Finding the Fourth Proportional to 118,764,115.80, 178,146,173.70 and 107,284,990.20

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Solution

The fourth proportional to 118,764,115.80, 178,146,173.70 and 107,284,990.20 is: 160,927,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,764,115.80 : 178,146,173.70 = 107,284,990.20 : x
  2. Step 2: Convert to fraction form
    118,764,115.80/178,146,173.70 = 107,284,990.20/x
  3. Step 3: Cross multiply
    118,764,115.80x = 178,146,173.70 × 107,284,990.20
  4. Step 4: Simplify right side
    118,764,115.80x = 19,112,410,499,571,996
  5. Step 5: Solve for x
    x = 19,112,410,499,571,996/118,764,115.80
  6. Step 6: Final answer
    x = 160,927,485.30

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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.