Home / 248,144,668.20-372,230,999.10-75,627,109.80

Finding the Fourth Proportional to 248,144,668.20, 372,230,999.10 and 75,627,109.80

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Solution

The fourth proportional to 248,144,668.20, 372,230,999.10 and 75,627,109.80 is: 113,444,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,144,668.20 : 372,230,999.10 = 75,627,109.80 : x
  2. Step 2: Convert to fraction form
    248,144,668.20/372,230,999.10 = 75,627,109.80/x
  3. Step 3: Cross multiply
    248,144,668.20x = 372,230,999.10 × 75,627,109.80
  4. Step 4: Simplify right side
    248,144,668.20x = 28,150,754,639,899,400
  5. Step 5: Solve for x
    x = 28,150,754,639,899,400/248,144,668.20
  6. Step 6: Final answer
    x = 113,444,930.51

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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.