Home / 221,297,008.62-305,416,651.87-125,950,700.69

Finding the Fourth Proportional to 221,297,008.62, 305,416,651.87 and 125,950,700.69

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Solution

The fourth proportional to 221,297,008.62, 305,416,651.87 and 125,950,700.69 is: 173,827,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,297,008.62 : 305,416,651.87 = 125,950,700.69 : x
  2. Step 2: Convert to fraction form
    221,297,008.62/305,416,651.87 = 125,950,700.69/x
  3. Step 3: Cross multiply
    221,297,008.62x = 305,416,651.87 × 125,950,700.69
  4. Step 4: Simplify right side
    221,297,008.62x = 38,467,441,306,308,488
  5. Step 5: Solve for x
    x = 38,467,441,306,308,488/221,297,008.62
  6. Step 6: Final answer
    x = 173,827,208.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.