Home / 250,140,201.63-345,193,510.99-138,638,241.22

Finding the Fourth Proportional to 250,140,201.63, 345,193,510.99 and 138,638,241.22

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Solution

The fourth proportional to 250,140,201.63, 345,193,510.99 and 138,638,241.22 is: 191,320,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,201.63 : 345,193,510.99 = 138,638,241.22 : x
  2. Step 2: Convert to fraction form
    250,140,201.63/345,193,510.99 = 138,638,241.22/x
  3. Step 3: Cross multiply
    250,140,201.63x = 345,193,510.99 × 138,638,241.22
  4. Step 4: Simplify right side
    250,140,201.63x = 47,857,021,243,327,008
  5. Step 5: Solve for x
    x = 47,857,021,243,327,008/250,140,201.63
  6. Step 6: Final answer
    x = 191,320,791.02

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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.