Home / 168,443,753.40-252,665,630.10-47,275,205.40

Finding the Fourth Proportional to 168,443,753.40, 252,665,630.10 and 47,275,205.40

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Solution

The fourth proportional to 168,443,753.40, 252,665,630.10 and 47,275,205.40 is: 70,912,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,443,753.40 : 252,665,630.10 = 47,275,205.40 : x
  2. Step 2: Convert to fraction form
    168,443,753.40/252,665,630.10 = 47,275,205.40/x
  3. Step 3: Cross multiply
    168,443,753.40x = 252,665,630.10 × 47,275,205.40
  4. Step 4: Simplify right side
    168,443,753.40x = 11,944,819,560,497,922
  5. Step 5: Solve for x
    x = 11,944,819,560,497,922/168,443,753.40
  6. Step 6: Final answer
    x = 70,912,808.10

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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.