Home / 131,327,999.80-196,991,999.70-88,329,830.20

Finding the Fourth Proportional to 131,327,999.80, 196,991,999.70 and 88,329,830.20

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Solution

The fourth proportional to 131,327,999.80, 196,991,999.70 and 88,329,830.20 is: 132,494,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,327,999.80 : 196,991,999.70 = 88,329,830.20 : x
  2. Step 2: Convert to fraction form
    131,327,999.80/196,991,999.70 = 88,329,830.20/x
  3. Step 3: Cross multiply
    131,327,999.80x = 196,991,999.70 × 88,329,830.20
  4. Step 4: Simplify right side
    131,327,999.80x = 17,400,269,884,259,450
  5. Step 5: Solve for x
    x = 17,400,269,884,259,450/131,327,999.80
  6. Step 6: Final answer
    x = 132,494,745.30

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1.5x scale

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.