Home / 168,504,467.40-252,756,701.10-82,298,176.20

Finding the Fourth Proportional to 168,504,467.40, 252,756,701.10 and 82,298,176.20

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Solution

The fourth proportional to 168,504,467.40, 252,756,701.10 and 82,298,176.20 is: 123,447,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,504,467.40 : 252,756,701.10 = 82,298,176.20 : x
  2. Step 2: Convert to fraction form
    168,504,467.40/252,756,701.10 = 82,298,176.20/x
  3. Step 3: Cross multiply
    168,504,467.40x = 252,756,701.10 × 82,298,176.20
  4. Step 4: Simplify right side
    168,504,467.40x = 20,801,415,522,858,536
  5. Step 5: Solve for x
    x = 20,801,415,522,858,536/168,504,467.40
  6. Step 6: Final answer
    x = 123,447,264.30

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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.