Home / 77,383,439.82-106,748,445.20-45,999,165.60

Finding the Fourth Proportional to 77,383,439.82, 106,748,445.20 and 45,999,165.60

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Solution

The fourth proportional to 77,383,439.82, 106,748,445.20 and 45,999,165.60 is: 63,454,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,383,439.82 : 106,748,445.20 = 45,999,165.60 : x
  2. Step 2: Convert to fraction form
    77,383,439.82/106,748,445.20 = 45,999,165.60/x
  3. Step 3: Cross multiply
    77,383,439.82x = 106,748,445.20 × 45,999,165.60
  4. Step 4: Simplify right side
    77,383,439.82x = 4,910,339,408,067,329
  5. Step 5: Solve for x
    x = 4,910,339,408,067,329/77,383,439.82
  6. Step 6: Final answer
    x = 63,454,654.12

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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.