Home / 207,918,964.60-311,542,523.70-131,104,526.20

Finding the Fourth Proportional to 207,918,964.60, 311,542,523.70 and 131,104,526.20

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Solution

The fourth proportional to 207,918,964.60, 311,542,523.70 and 131,104,526.20 is: 196,444,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918,964.60 : 311,542,523.70 = 131,104,526.20 : x
  2. Step 2: Convert to fraction form
    207,918,964.60/311,542,523.70 = 131,104,526.20/x
  3. Step 3: Cross multiply
    207,918,964.60x = 311,542,523.70 × 131,104,526.20
  4. Step 4: Simplify right side
    207,918,964.60x = 40,844,634,960,840,768
  5. Step 5: Solve for x
    x = 40,844,634,960,840,768/207,918,964.60
  6. Step 6: Final answer
    x = 196,444,970.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.