Home / 206,466,830.40-309,700,245.60-114,633,825.60

Finding the Fourth Proportional to 206,466,830.40, 309,700,245.60 and 114,633,825.60

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Solution

The fourth proportional to 206,466,830.40, 309,700,245.60 and 114,633,825.60 is: 171,950,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,466,830.40 : 309,700,245.60 = 114,633,825.60 : x
  2. Step 2: Convert to fraction form
    206,466,830.40/309,700,245.60 = 114,633,825.60/x
  3. Step 3: Cross multiply
    206,466,830.40x = 309,700,245.60 × 114,633,825.60
  4. Step 4: Simplify right side
    206,466,830.40x = 35,502,123,942,387,568
  5. Step 5: Solve for x
    x = 35,502,123,942,387,568/206,466,830.40
  6. Step 6: Final answer
    x = 171,950,738.40

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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.