Home / 257,882,107.80-386,823,161.70-242,753,122.20

Finding the Fourth Proportional to 257,882,107.80, 386,823,161.70 and 242,753,122.20

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Solution

The fourth proportional to 257,882,107.80, 386,823,161.70 and 242,753,122.20 is: 364,129,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,882,107.80 : 386,823,161.70 = 242,753,122.20 : x
  2. Step 2: Convert to fraction form
    257,882,107.80/386,823,161.70 = 242,753,122.20/x
  3. Step 3: Cross multiply
    257,882,107.80x = 386,823,161.70 × 242,753,122.20
  4. Step 4: Simplify right side
    257,882,107.80x = 93,902,530,241,950,448
  5. Step 5: Solve for x
    x = 93,902,530,241,950,448/257,882,107.80
  6. Step 6: Final answer
    x = 364,129,683.30

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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.