Home / 190,286,191.80-285,429,287.70-132,890,563.80

Finding the Fourth Proportional to 190,286,191.80, 285,429,287.70 and 132,890,563.80

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Solution

The fourth proportional to 190,286,191.80, 285,429,287.70 and 132,890,563.80 is: 199,335,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,286,191.80 : 285,429,287.70 = 132,890,563.80 : x
  2. Step 2: Convert to fraction form
    190,286,191.80/285,429,287.70 = 132,890,563.80/x
  3. Step 3: Cross multiply
    190,286,191.80x = 285,429,287.70 × 132,890,563.80
  4. Step 4: Simplify right side
    190,286,191.80x = 37,930,858,967,485,400
  5. Step 5: Solve for x
    x = 37,930,858,967,485,400/190,286,191.80
  6. Step 6: Final answer
    x = 199,335,845.70

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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.