Home / 86,907,919.20-130,379,374.80-25,496,959.20

Finding the Fourth Proportional to 86,907,919.20, 130,379,374.80 and 25,496,959.20

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Solution

The fourth proportional to 86,907,919.20, 130,379,374.80 and 25,496,959.20 is: 38,250,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,907,919.20 : 130,379,374.80 = 25,496,959.20 : x
  2. Step 2: Convert to fraction form
    86,907,919.20/130,379,374.80 = 25,496,959.20/x
  3. Step 3: Cross multiply
    86,907,919.20x = 130,379,374.80 × 25,496,959.20
  4. Step 4: Simplify right side
    86,907,919.20x = 3,324,277,599,797,108
  5. Step 5: Solve for x
    x = 3,324,277,599,797,108/86,907,919.20
  6. Step 6: Final answer
    x = 38,250,571.76

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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.