Home / 159,882,942.60-239,505,549.30-91,645,918.20

Finding the Fourth Proportional to 159,882,942.60, 239,505,549.30 and 91,645,918.20

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Solution

The fourth proportional to 159,882,942.60, 239,505,549.30 and 91,645,918.20 is: 137,286,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,882,942.60 : 239,505,549.30 = 91,645,918.20 : x
  2. Step 2: Convert to fraction form
    159,882,942.60/239,505,549.30 = 91,645,918.20/x
  3. Step 3: Cross multiply
    159,882,942.60x = 239,505,549.30 × 91,645,918.20
  4. Step 4: Simplify right side
    159,882,942.60x = 21,949,705,979,593,868
  5. Step 5: Solve for x
    x = 21,949,705,979,593,868/159,882,942.60
  6. Step 6: Final answer
    x = 137,286,102.09

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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.