Home / 151,691,468.48-209,334,091.20-85,625,872.64

Finding the Fourth Proportional to 151,691,468.48, 209,334,091.20 and 85,625,872.64

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Solution

The fourth proportional to 151,691,468.48, 209,334,091.20 and 85,625,872.64 is: 118,163,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,691,468.48 : 209,334,091.20 = 85,625,872.64 : x
  2. Step 2: Convert to fraction form
    151,691,468.48/209,334,091.20 = 85,625,872.64/x
  3. Step 3: Cross multiply
    151,691,468.48x = 209,334,091.20 × 85,625,872.64
  4. Step 4: Simplify right side
    151,691,468.48x = 17,924,414,232,301,344
  5. Step 5: Solve for x
    x = 17,924,414,232,301,344/151,691,468.48
  6. Step 6: Final answer
    x = 118,163,627.87

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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.