Home / 355,967,998.40-533,951,997.60-140,529,252.80

Finding the Fourth Proportional to 355,967,998.40, 533,951,997.60 and 140,529,252.80

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Solution

The fourth proportional to 355,967,998.40, 533,951,997.60 and 140,529,252.80 is: 210,793,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,967,998.40 : 533,951,997.60 = 140,529,252.80 : x
  2. Step 2: Convert to fraction form
    355,967,998.40/533,951,997.60 = 140,529,252.80/x
  3. Step 3: Cross multiply
    355,967,998.40x = 533,951,997.60 × 140,529,252.80
  4. Step 4: Simplify right side
    355,967,998.40x = 75,035,875,253,795,408
  5. Step 5: Solve for x
    x = 75,035,875,253,795,408/355,967,998.40
  6. Step 6: Final answer
    x = 210,793,879.20

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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.