Home / 195,836,190.40-293,782,279.20-66,449,771.20

Finding the Fourth Proportional to 195,836,190.40, 293,782,279.20 and 66,449,771.20

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Solution

The fourth proportional to 195,836,190.40, 293,782,279.20 and 66,449,771.20 is: 99,684,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,836,190.40 : 293,782,279.20 = 66,449,771.20 : x
  2. Step 2: Convert to fraction form
    195,836,190.40/293,782,279.20 = 66,449,771.20/x
  3. Step 3: Cross multiply
    195,836,190.40x = 293,782,279.20 × 66,449,771.20
  4. Step 4: Simplify right side
    195,836,190.40x = 19,521,765,235,454,520
  5. Step 5: Solve for x
    x = 19,521,765,235,454,520/195,836,190.40
  6. Step 6: Final answer
    x = 99,684,155.39

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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.