Home / 133,524,141.60-200,286,212.40-75,171,919.80

Finding the Fourth Proportional to 133,524,141.60, 200,286,212.40 and 75,171,919.80

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Solution

The fourth proportional to 133,524,141.60, 200,286,212.40 and 75,171,919.80 is: 112,757,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,524,141.60 : 200,286,212.40 = 75,171,919.80 : x
  2. Step 2: Convert to fraction form
    133,524,141.60/200,286,212.40 = 75,171,919.80/x
  3. Step 3: Cross multiply
    133,524,141.60x = 200,286,212.40 × 75,171,919.80
  4. Step 4: Simplify right side
    133,524,141.60x = 15,055,899,095,578,566
  5. Step 5: Solve for x
    x = 15,055,899,095,578,566/133,524,141.60
  6. Step 6: Final answer
    x = 112,757,879.70

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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.