Home / 190,272,000.80-285,408,001.20-132,876,372.80

Finding the Fourth Proportional to 190,272,000.80, 285,408,001.20 and 132,876,372.80

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Solution

The fourth proportional to 190,272,000.80, 285,408,001.20 and 132,876,372.80 is: 199,314,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,272,000.80 : 285,408,001.20 = 132,876,372.80 : x
  2. Step 2: Convert to fraction form
    190,272,000.80/285,408,001.20 = 132,876,372.80/x
  3. Step 3: Cross multiply
    190,272,000.80x = 285,408,001.20 × 132,876,372.80
  4. Step 4: Simplify right side
    190,272,000.80x = 37,923,979,967,554,048
  5. Step 5: Solve for x
    x = 37,923,979,967,554,048/190,272,000.80
  6. Step 6: Final answer
    x = 199,314,559.20

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1.5x scale

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.