Home / 131,328,138.80-196,992,208.20-88,329,969.20

Finding the Fourth Proportional to 131,328,138.80, 196,992,208.20 and 88,329,969.20

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Solution

The fourth proportional to 131,328,138.80, 196,992,208.20 and 88,329,969.20 is: 132,494,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,138.80 : 196,992,208.20 = 88,329,969.20 : x
  2. Step 2: Convert to fraction form
    131,328,138.80/196,992,208.20 = 88,329,969.20/x
  3. Step 3: Cross multiply
    131,328,138.80x = 196,992,208.20 × 88,329,969.20
  4. Step 4: Simplify right side
    131,328,138.80x = 17,400,315,682,945,986
  5. Step 5: Solve for x
    x = 17,400,315,682,945,986/131,328,138.80
  6. Step 6: Final answer
    x = 132,494,953.80

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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.