Home / 131,327,999.70-196,991,999.55-88,329,830.10

Finding the Fourth Proportional to 131,327,999.70, 196,991,999.55 and 88,329,830.10

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Solution

The fourth proportional to 131,327,999.70, 196,991,999.55 and 88,329,830.10 is: 132,494,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,327,999.70 : 196,991,999.55 = 88,329,830.10 : x
  2. Step 2: Convert to fraction form
    131,327,999.70/196,991,999.55 = 88,329,830.10/x
  3. Step 3: Cross multiply
    131,327,999.70x = 196,991,999.55 × 88,329,830.10
  4. Step 4: Simplify right side
    131,327,999.70x = 17,400,269,851,310,776
  5. Step 5: Solve for x
    x = 17,400,269,851,310,776/131,327,999.70
  6. Step 6: Final answer
    x = 132,494,745.15

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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.