Home / 248,670,363.20-372,856,245.60-127,738,011.20

Finding the Fourth Proportional to 248,670,363.20, 372,856,245.60 and 127,738,011.20

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Solution

The fourth proportional to 248,670,363.20, 372,856,245.60 and 127,738,011.20 is: 191,530,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,670,363.20 : 372,856,245.60 = 127,738,011.20 : x
  2. Step 2: Convert to fraction form
    248,670,363.20/372,856,245.60 = 127,738,011.20/x
  3. Step 3: Cross multiply
    248,670,363.20x = 372,856,245.60 × 127,738,011.20
  4. Step 4: Simplify right side
    248,670,363.20x = 47,627,915,276,442,752
  5. Step 5: Solve for x
    x = 47,627,915,276,442,752/248,670,363.20
  6. Step 6: Final answer
    x = 191,530,324.18

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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.