Home / 87,965,339.80-131,948,009.70-74,360,450.20

Finding the Fourth Proportional to 87,965,339.80, 131,948,009.70 and 74,360,450.20

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Solution

The fourth proportional to 87,965,339.80, 131,948,009.70 and 74,360,450.20 is: 111,540,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965,339.80 : 131,948,009.70 = 74,360,450.20 : x
  2. Step 2: Convert to fraction form
    87,965,339.80/131,948,009.70 = 74,360,450.20/x
  3. Step 3: Cross multiply
    87,965,339.80x = 131,948,009.70 × 74,360,450.20
  4. Step 4: Simplify right side
    87,965,339.80x = 9,811,713,404,285,968
  5. Step 5: Solve for x
    x = 9,811,713,404,285,968/87,965,339.80
  6. Step 6: Final answer
    x = 111,540,675.30

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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.