Home / 151,337,261.40-227,005,892.10-138,423,245.10

Finding the Fourth Proportional to 151,337,261.40, 227,005,892.10 and 138,423,245.10

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Solution

The fourth proportional to 151,337,261.40, 227,005,892.10 and 138,423,245.10 is: 207,634,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,337,261.40 : 227,005,892.10 = 138,423,245.10 : x
  2. Step 2: Convert to fraction form
    151,337,261.40/227,005,892.10 = 138,423,245.10/x
  3. Step 3: Cross multiply
    151,337,261.40x = 227,005,892.10 × 138,423,245.10
  4. Step 4: Simplify right side
    151,337,261.40x = 31,422,892,241,302,452
  5. Step 5: Solve for x
    x = 31,422,892,241,302,452/151,337,261.40
  6. Step 6: Final answer
    x = 207,634,867.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.