Home / 147,451,321.68-221,275,723.40-61,189,811.32

Finding the Fourth Proportional to 147,451,321.68, 221,275,723.40 and 61,189,811.32

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Solution

The fourth proportional to 147,451,321.68, 221,275,723.40 and 61,189,811.32 is: 91,825,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,451,321.68 : 221,275,723.40 = 61,189,811.32 : x
  2. Step 2: Convert to fraction form
    147,451,321.68/221,275,723.40 = 61,189,811.32/x
  3. Step 3: Cross multiply
    147,451,321.68x = 221,275,723.40 × 61,189,811.32
  4. Step 4: Simplify right side
    147,451,321.68x = 13,539,819,764,542,510
  5. Step 5: Solve for x
    x = 13,539,819,764,542,510/147,451,321.68
  6. Step 6: Final answer
    x = 91,825,692.78

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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.