Home / 154,820,352.52-213,647,789.46-87,851,509.48

Finding the Fourth Proportional to 154,820,352.52, 213,647,789.46 and 87,851,509.48

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Solution

The fourth proportional to 154,820,352.52, 213,647,789.46 and 87,851,509.48 is: 121,232,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,820,352.52 : 213,647,789.46 = 87,851,509.48 : x
  2. Step 2: Convert to fraction form
    154,820,352.52/213,647,789.46 = 87,851,509.48/x
  3. Step 3: Cross multiply
    154,820,352.52x = 213,647,789.46 × 87,851,509.48
  4. Step 4: Simplify right side
    154,820,352.52x = 18,769,280,801,126,236
  5. Step 5: Solve for x
    x = 18,769,280,801,126,236/154,820,352.52
  6. Step 6: Final answer
    x = 121,232,644.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.