Home / 189,043,846.80-283,565,770.20-73,990,150.80

Finding the Fourth Proportional to 189,043,846.80, 283,565,770.20 and 73,990,150.80

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Solution

The fourth proportional to 189,043,846.80, 283,565,770.20 and 73,990,150.80 is: 110,985,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,043,846.80 : 283,565,770.20 = 73,990,150.80 : x
  2. Step 2: Convert to fraction form
    189,043,846.80/283,565,770.20 = 73,990,150.80/x
  3. Step 3: Cross multiply
    189,043,846.80x = 283,565,770.20 × 73,990,150.80
  4. Step 4: Simplify right side
    189,043,846.80x = 20,981,074,098,816,144
  5. Step 5: Solve for x
    x = 20,981,074,098,816,144/189,043,846.80
  6. Step 6: Final answer
    x = 110,985,226.20

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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.