Home / 248,433,446.20-372,650,169.30-84,855,906.40

Finding the Fourth Proportional to 248,433,446.20, 372,650,169.30 and 84,855,906.40

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Solution

The fourth proportional to 248,433,446.20, 372,650,169.30 and 84,855,906.40 is: 127,283,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433,446.20 : 372,650,169.30 = 84,855,906.40 : x
  2. Step 2: Convert to fraction form
    248,433,446.20/372,650,169.30 = 84,855,906.40/x
  3. Step 3: Cross multiply
    248,433,446.20x = 372,650,169.30 × 84,855,906.40
  4. Step 4: Simplify right side
    248,433,446.20x = 31,621,567,886,064,956
  5. Step 5: Solve for x
    x = 31,621,567,886,064,956/248,433,446.20
  6. Step 6: Final answer
    x = 127,283,859.60

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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.