Home / 248,433,212.70-372,649,819.05-84,855,672.90

Finding the Fourth Proportional to 248,433,212.70, 372,649,819.05 and 84,855,672.90

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Solution

The fourth proportional to 248,433,212.70, 372,649,819.05 and 84,855,672.90 is: 127,283,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433,212.70 : 372,649,819.05 = 84,855,672.90 : x
  2. Step 2: Convert to fraction form
    248,433,212.70/372,649,819.05 = 84,855,672.90/x
  3. Step 3: Cross multiply
    248,433,212.70x = 372,649,819.05 × 84,855,672.90
  4. Step 4: Simplify right side
    248,433,212.70x = 31,621,451,151,550,992
  5. Step 5: Solve for x
    x = 31,621,451,151,550,992/248,433,212.70
  6. Step 6: Final answer
    x = 127,283,509.35

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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.