Home / 159,882,912.60-239,505,504.30-91,645,888.20

Finding the Fourth Proportional to 159,882,912.60, 239,505,504.30 and 91,645,888.20

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Solution

The fourth proportional to 159,882,912.60, 239,505,504.30 and 91,645,888.20 is: 137,286,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,882,912.60 : 239,505,504.30 = 91,645,888.20 : x
  2. Step 2: Convert to fraction form
    159,882,912.60/239,505,504.30 = 91,645,888.20/x
  3. Step 3: Cross multiply
    159,882,912.60x = 239,505,504.30 × 91,645,888.20
  4. Step 4: Simplify right side
    159,882,912.60x = 21,949,694,670,362,420
  5. Step 5: Solve for x
    x = 21,949,694,670,362,420/159,882,912.60
  6. Step 6: Final answer
    x = 137,286,057.11

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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.