Home / 131,472,310.10-196,830,551.55-80,453,974.10

Finding the Fourth Proportional to 131,472,310.10, 196,830,551.55 and 80,453,974.10

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Solution

The fourth proportional to 131,472,310.10, 196,830,551.55 and 80,453,974.10 is: 120,449,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472,310.10 : 196,830,551.55 = 80,453,974.10 : x
  2. Step 2: Convert to fraction form
    131,472,310.10/196,830,551.55 = 80,453,974.10/x
  3. Step 3: Cross multiply
    131,472,310.10x = 196,830,551.55 × 80,453,974.10
  4. Step 4: Simplify right side
    131,472,310.10x = 15,835,800,096,492,414
  5. Step 5: Solve for x
    x = 15,835,800,096,492,414/131,472,310.10
  6. Step 6: Final answer
    x = 120,449,698.38

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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.