Home / 132,889,731.20-199,334,596.80-131,098,140.80

Finding the Fourth Proportional to 132,889,731.20, 199,334,596.80 and 131,098,140.80

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Solution

The fourth proportional to 132,889,731.20, 199,334,596.80 and 131,098,140.80 is: 196,647,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,889,731.20 : 199,334,596.80 = 131,098,140.80 : x
  2. Step 2: Convert to fraction form
    132,889,731.20/199,334,596.80 = 131,098,140.80/x
  3. Step 3: Cross multiply
    132,889,731.20x = 199,334,596.80 × 131,098,140.80
  4. Step 4: Simplify right side
    132,889,731.20x = 26,132,395,037,597,632
  5. Step 5: Solve for x
    x = 26,132,395,037,597,632/132,889,731.20
  6. Step 6: Final answer
    x = 196,647,211.20

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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.