Home / 250,140,101.97-345,193,373.49-138,638,141.43

Finding the Fourth Proportional to 250,140,101.97, 345,193,373.49 and 138,638,141.43

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Solution

The fourth proportional to 250,140,101.97, 345,193,373.49 and 138,638,141.43 is: 191,320,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,101.97 : 345,193,373.49 = 138,638,141.43 : x
  2. Step 2: Convert to fraction form
    250,140,101.97/345,193,373.49 = 138,638,141.43/x
  3. Step 3: Cross multiply
    250,140,101.97x = 345,193,373.49 × 138,638,141.43
  4. Step 4: Simplify right side
    250,140,101.97x = 47,856,967,734,605,440
  5. Step 5: Solve for x
    x = 47,856,967,734,605,440/250,140,101.97
  6. Step 6: Final answer
    x = 191,320,653.34

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