Home / 327,240,003.60-490,860,005.40-155,053,119.60

Finding the Fourth Proportional to 327,240,003.60, 490,860,005.40 and 155,053,119.60

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Solution

The fourth proportional to 327,240,003.60, 490,860,005.40 and 155,053,119.60 is: 232,579,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,240,003.60 : 490,860,005.40 = 155,053,119.60 : x
  2. Step 2: Convert to fraction form
    327,240,003.60/490,860,005.40 = 155,053,119.60/x
  3. Step 3: Cross multiply
    327,240,003.60x = 490,860,005.40 × 155,053,119.60
  4. Step 4: Simplify right side
    327,240,003.60x = 76,109,375,124,142,832
  5. Step 5: Solve for x
    x = 76,109,375,124,142,832/327,240,003.60
  6. Step 6: Final answer
    x = 232,579,679.40

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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.