Home / 168,435,964.20-252,653,946.30-143,777,101.80

Finding the Fourth Proportional to 168,435,964.20, 252,653,946.30 and 143,777,101.80

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Solution

The fourth proportional to 168,435,964.20, 252,653,946.30 and 143,777,101.80 is: 215,665,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,964.20 : 252,653,946.30 = 143,777,101.80 : x
  2. Step 2: Convert to fraction form
    168,435,964.20/252,653,946.30 = 143,777,101.80/x
  3. Step 3: Cross multiply
    168,435,964.20x = 252,653,946.30 × 143,777,101.80
  4. Step 4: Simplify right side
    168,435,964.20x = 36,325,852,157,346,840
  5. Step 5: Solve for x
    x = 36,325,852,157,346,840/168,435,964.20
  6. Step 6: Final answer
    x = 215,665,652.70

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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.