Home / 250,140,093.21-345,193,361.35-138,638,132.63

Finding the Fourth Proportional to 250,140,093.21, 345,193,361.35 and 138,638,132.63

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Solution

The fourth proportional to 250,140,093.21, 345,193,361.35 and 138,638,132.63 is: 191,320,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,093.21 : 345,193,361.35 = 138,638,132.63 : x
  2. Step 2: Convert to fraction form
    250,140,093.21/345,193,361.35 = 138,638,132.63/x
  3. Step 3: Cross multiply
    250,140,093.21x = 345,193,361.35 × 138,638,132.63
  4. Step 4: Simplify right side
    250,140,093.21x = 47,856,963,013,836,816
  5. Step 5: Solve for x
    x = 47,856,963,013,836,816/250,140,093.21
  6. Step 6: Final answer
    x = 191,320,641.16

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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.