Home / 76,979,553.35-115,486,563.60-25,860,177.95

Finding the Fourth Proportional to 76,979,553.35, 115,486,563.60 and 25,860,177.95

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Solution

The fourth proportional to 76,979,553.35, 115,486,563.60 and 25,860,177.95 is: 38,796,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979,553.35 : 115,486,563.60 = 25,860,177.95 : x
  2. Step 2: Convert to fraction form
    76,979,553.35/115,486,563.60 = 25,860,177.95/x
  3. Step 3: Cross multiply
    76,979,553.35x = 115,486,563.60 × 25,860,177.95
  4. Step 4: Simplify right side
    76,979,553.35x = 2,986,503,084,952,559.50
  5. Step 5: Solve for x
    x = 2,986,503,084,952,559.50/76,979,553.35
  6. Step 6: Final answer
    x = 38,796,056.29

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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.