Home / 77,324,961.20-115,987,441.80-51,844,564.40

Finding the Fourth Proportional to 77,324,961.20, 115,987,441.80 and 51,844,564.40

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Solution

The fourth proportional to 77,324,961.20, 115,987,441.80 and 51,844,564.40 is: 77,766,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,324,961.20 : 115,987,441.80 = 51,844,564.40 : x
  2. Step 2: Convert to fraction form
    77,324,961.20/115,987,441.80 = 51,844,564.40/x
  3. Step 3: Cross multiply
    77,324,961.20x = 115,987,441.80 × 51,844,564.40
  4. Step 4: Simplify right side
    77,324,961.20x = 6,013,318,395,991,352
  5. Step 5: Solve for x
    x = 6,013,318,395,991,352/77,324,961.20
  6. Step 6: Final answer
    x = 77,766,846.60

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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.