Home / 204,046,656.80-306,152,007.60-82,887,591.20

Finding the Fourth Proportional to 204,046,656.80, 306,152,007.60 and 82,887,591.20

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Solution

The fourth proportional to 204,046,656.80, 306,152,007.60 and 82,887,591.20 is: 124,364,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,046,656.80 : 306,152,007.60 = 82,887,591.20 : x
  2. Step 2: Convert to fraction form
    204,046,656.80/306,152,007.60 = 82,887,591.20/x
  3. Step 3: Cross multiply
    204,046,656.80x = 306,152,007.60 × 82,887,591.20
  4. Step 4: Simplify right side
    204,046,656.80x = 25,376,202,451,008,096
  5. Step 5: Solve for x
    x = 25,376,202,451,008,096/204,046,656.80
  6. Step 6: Final answer
    x = 124,364,705.84

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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.