Home / 250,140,222.78-345,193,540.20-138,638,262.36

Finding the Fourth Proportional to 250,140,222.78, 345,193,540.20 and 138,638,262.36

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Solution

The fourth proportional to 250,140,222.78, 345,193,540.20 and 138,638,262.36 is: 191,320,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,222.78 : 345,193,540.20 = 138,638,262.36 : x
  2. Step 2: Convert to fraction form
    250,140,222.78/345,193,540.20 = 138,638,262.36/x
  3. Step 3: Cross multiply
    250,140,222.78x = 345,193,540.20 × 138,638,262.36
  4. Step 4: Simplify right side
    250,140,222.78x = 47,857,032,591,224,808
  5. Step 5: Solve for x
    x = 47,857,032,591,224,808/250,140,222.78
  6. Step 6: Final answer
    x = 191,320,820.22

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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.