Home / 131,993,774.20-198,179,618.10-74,598,146.20

Finding the Fourth Proportional to 131,993,774.20, 198,179,618.10 and 74,598,146.20

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Solution

The fourth proportional to 131,993,774.20, 198,179,618.10 and 74,598,146.20 is: 112,004,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,993,774.20 : 198,179,618.10 = 74,598,146.20 : x
  2. Step 2: Convert to fraction form
    131,993,774.20/198,179,618.10 = 74,598,146.20/x
  3. Step 3: Cross multiply
    131,993,774.20x = 198,179,618.10 × 74,598,146.20
  4. Step 4: Simplify right side
    131,993,774.20x = 14,783,832,124,883,966
  5. Step 5: Solve for x
    x = 14,783,832,124,883,966/131,993,774.20
  6. Step 6: Final answer
    x = 112,004,010.90

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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.