Home / 258,282,093.85-387,424,540.45-76,530,846.49

Finding the Fourth Proportional to 258,282,093.85, 387,424,540.45 and 76,530,846.49

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Solution

The fourth proportional to 258,282,093.85, 387,424,540.45 and 76,530,846.49 is: 114,796,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,282,093.85 : 387,424,540.45 = 76,530,846.49 : x
  2. Step 2: Convert to fraction form
    258,282,093.85/387,424,540.45 = 76,530,846.49/x
  3. Step 3: Cross multiply
    258,282,093.85x = 387,424,540.45 × 76,530,846.49
  4. Step 4: Simplify right side
    258,282,093.85x = 29,649,928,030,764,848
  5. Step 5: Solve for x
    x = 29,649,928,030,764,848/258,282,093.85
  6. Step 6: Final answer
    x = 114,796,684.47

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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.