Home / 188,978,850.20-283,468,275.30-156,693,809.45

Finding the Fourth Proportional to 188,978,850.20, 283,468,275.30 and 156,693,809.45

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Solution

The fourth proportional to 188,978,850.20, 283,468,275.30 and 156,693,809.45 is: 235,040,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,978,850.20 : 283,468,275.30 = 156,693,809.45 : x
  2. Step 2: Convert to fraction form
    188,978,850.20/283,468,275.30 = 156,693,809.45/x
  3. Step 3: Cross multiply
    188,978,850.20x = 283,468,275.30 × 156,693,809.45
  4. Step 4: Simplify right side
    188,978,850.20x = 44,417,723,914,978,344
  5. Step 5: Solve for x
    x = 44,417,723,914,978,344/188,978,850.20
  6. Step 6: Final answer
    x = 235,040,714.18

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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.