Home / 279,935,998.80-419,704,932.60-107,346,123.60

Finding the Fourth Proportional to 279,935,998.80, 419,704,932.60 and 107,346,123.60

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Solution

The fourth proportional to 279,935,998.80, 419,704,932.60 and 107,346,123.60 is: 160,942,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,935,998.80 : 419,704,932.60 = 107,346,123.60 : x
  2. Step 2: Convert to fraction form
    279,935,998.80/419,704,932.60 = 107,346,123.60/x
  3. Step 3: Cross multiply
    279,935,998.80x = 419,704,932.60 × 107,346,123.60
  4. Step 4: Simplify right side
    279,935,998.80x = 45,053,697,570,409,272
  5. Step 5: Solve for x
    x = 45,053,697,570,409,272/279,935,998.80
  6. Step 6: Final answer
    x = 160,942,850.38

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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.