Home / 248,219,489.60-372,329,234.40-221,434,863.20

Finding the Fourth Proportional to 248,219,489.60, 372,329,234.40 and 221,434,863.20

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Solution

The fourth proportional to 248,219,489.60, 372,329,234.40 and 221,434,863.20 is: 332,152,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,219,489.60 : 372,329,234.40 = 221,434,863.20 : x
  2. Step 2: Convert to fraction form
    248,219,489.60/372,329,234.40 = 221,434,863.20/x
  3. Step 3: Cross multiply
    248,219,489.60x = 372,329,234.40 × 221,434,863.20
  4. Step 4: Simplify right side
    248,219,489.60x = 82,446,673,084,724,720
  5. Step 5: Solve for x
    x = 82,446,673,084,724,720/248,219,489.60
  6. Step 6: Final answer
    x = 332,152,294.80

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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.