Home / 251,383,684.39-377,129,800.80-76,520,392.18

Finding the Fourth Proportional to 251,383,684.39, 377,129,800.80 and 76,520,392.18

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Solution

The fourth proportional to 251,383,684.39, 377,129,800.80 and 76,520,392.18 is: 114,797,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,383,684.39 : 377,129,800.80 = 76,520,392.18 : x
  2. Step 2: Convert to fraction form
    251,383,684.39/377,129,800.80 = 76,520,392.18/x
  3. Step 3: Cross multiply
    251,383,684.39x = 377,129,800.80 × 76,520,392.18
  4. Step 4: Simplify right side
    251,383,684.39x = 28,858,120,259,038,452
  5. Step 5: Solve for x
    x = 28,858,120,259,038,452/251,383,684.39
  6. Step 6: Final answer
    x = 114,797,109.17

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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.