Home / 248,219,517.60-372,329,276.40-221,434,891.20

Finding the Fourth Proportional to 248,219,517.60, 372,329,276.40 and 221,434,891.20

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Solution

The fourth proportional to 248,219,517.60, 372,329,276.40 and 221,434,891.20 is: 332,152,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,219,517.60 : 372,329,276.40 = 221,434,891.20 : x
  2. Step 2: Convert to fraction form
    248,219,517.60/372,329,276.40 = 221,434,891.20/x
  3. Step 3: Cross multiply
    248,219,517.60x = 372,329,276.40 × 221,434,891.20
  4. Step 4: Simplify right side
    248,219,517.60x = 82,446,692,810,208,720
  5. Step 5: Solve for x
    x = 82,446,692,810,208,720/248,219,517.60
  6. Step 6: Final answer
    x = 332,152,336.80

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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.