Home / 76,979,544.85-115,486,550.83-25,860,169.45

Finding the Fourth Proportional to 76,979,544.85, 115,486,550.83 and 25,860,169.45

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Solution

The fourth proportional to 76,979,544.85, 115,486,550.83 and 25,860,169.45 is: 38,796,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979,544.85 : 115,486,550.83 = 25,860,169.45 : x
  2. Step 2: Convert to fraction form
    76,979,544.85/115,486,550.83 = 25,860,169.45/x
  3. Step 3: Cross multiply
    76,979,544.85x = 115,486,550.83 × 25,860,169.45
  4. Step 4: Simplify right side
    76,979,544.85x = 2,986,501,773,082,405.50
  5. Step 5: Solve for x
    x = 2,986,501,773,082,405.50/76,979,544.85
  6. Step 6: Final answer
    x = 38,796,043.53

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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.