Home / 125,976,247.20-188,964,370.80-30,238,135.20

Finding the Fourth Proportional to 125,976,247.20, 188,964,370.80 and 30,238,135.20

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Solution

The fourth proportional to 125,976,247.20, 188,964,370.80 and 30,238,135.20 is: 45,357,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,247.20 : 188,964,370.80 = 30,238,135.20 : x
  2. Step 2: Convert to fraction form
    125,976,247.20/188,964,370.80 = 30,238,135.20/x
  3. Step 3: Cross multiply
    125,976,247.20x = 188,964,370.80 × 30,238,135.20
  4. Step 4: Simplify right side
    125,976,247.20x = 5,713,930,192,233,332
  5. Step 5: Solve for x
    x = 5,713,930,192,233,332/125,976,247.20
  6. Step 6: Final answer
    x = 45,357,202.80

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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.