Home / 91,611,507.20-137,388,102.62-30,189,207.60

Finding the Fourth Proportional to 91,611,507.20, 137,388,102.62 and 30,189,207.60

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Solution

The fourth proportional to 91,611,507.20, 137,388,102.62 and 30,189,207.60 is: 45,274,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611,507.20 : 137,388,102.62 = 30,189,207.60 : x
  2. Step 2: Convert to fraction form
    91,611,507.20/137,388,102.62 = 30,189,207.60/x
  3. Step 3: Cross multiply
    91,611,507.20x = 137,388,102.62 × 30,189,207.60
  4. Step 4: Simplify right side
    91,611,507.20x = 4,147,637,951,614,338.50
  5. Step 5: Solve for x
    x = 4,147,637,951,614,338.50/91,611,507.20
  6. Step 6: Final answer
    x = 45,274,202.76

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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.