Home / 190,286,206.80-285,429,310.20-132,890,578.80

Finding the Fourth Proportional to 190,286,206.80, 285,429,310.20 and 132,890,578.80

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Solution

The fourth proportional to 190,286,206.80, 285,429,310.20 and 132,890,578.80 is: 199,335,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,286,206.80 : 285,429,310.20 = 132,890,578.80 : x
  2. Step 2: Convert to fraction form
    190,286,206.80/285,429,310.20 = 132,890,578.80/x
  3. Step 3: Cross multiply
    190,286,206.80x = 285,429,310.20 × 132,890,578.80
  4. Step 4: Simplify right side
    190,286,206.80x = 37,930,866,238,962,744
  5. Step 5: Solve for x
    x = 37,930,866,238,962,744/190,286,206.80
  6. Step 6: Final answer
    x = 199,335,868.20

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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.