Home / 251,383,677.42-377,129,790.33-76,520,385.20

Finding the Fourth Proportional to 251,383,677.42, 377,129,790.33 and 76,520,385.20

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Solution

The fourth proportional to 251,383,677.42, 377,129,790.33 and 76,520,385.20 is: 114,797,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,383,677.42 : 377,129,790.33 = 76,520,385.20 : x
  2. Step 2: Convert to fraction form
    251,383,677.42/377,129,790.33 = 76,520,385.20/x
  3. Step 3: Cross multiply
    251,383,677.42x = 377,129,790.33 × 76,520,385.20
  4. Step 4: Simplify right side
    251,383,677.42x = 28,858,116,824,274,232
  5. Step 5: Solve for x
    x = 28,858,116,824,274,232/251,383,677.42
  6. Step 6: Final answer
    x = 114,797,098.69

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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.