Home / 250,140,211.68-345,193,524.85-138,638,251.27

Finding the Fourth Proportional to 250,140,211.68, 345,193,524.85 and 138,638,251.27

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Solution

The fourth proportional to 250,140,211.68, 345,193,524.85 and 138,638,251.27 is: 191,320,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,211.68 : 345,193,524.85 = 138,638,251.27 : x
  2. Step 2: Convert to fraction form
    250,140,211.68/345,193,524.85 = 138,638,251.27/x
  3. Step 3: Cross multiply
    250,140,211.68x = 345,193,524.85 × 138,638,251.27
  4. Step 4: Simplify right side
    250,140,211.68x = 47,857,026,633,721,720
  5. Step 5: Solve for x
    x = 47,857,026,633,721,720/250,140,211.68
  6. Step 6: Final answer
    x = 191,320,804.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.