Home / 188,979,349.20-283,469,023.80-156,694,308.45

Finding the Fourth Proportional to 188,979,349.20, 283,469,023.80 and 156,694,308.45

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Solution

The fourth proportional to 188,979,349.20, 283,469,023.80 and 156,694,308.45 is: 235,041,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,979,349.20 : 283,469,023.80 = 156,694,308.45 : x
  2. Step 2: Convert to fraction form
    188,979,349.20/283,469,023.80 = 156,694,308.45/x
  3. Step 3: Cross multiply
    188,979,349.20x = 283,469,023.80 × 156,694,308.45
  4. Step 4: Simplify right side
    188,979,349.20x = 44,417,982,651,337,592
  5. Step 5: Solve for x
    x = 44,417,982,651,337,592/188,979,349.20
  6. Step 6: Final answer
    x = 235,041,462.68

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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.