Home / 279,826,518.54-419,793,578.01-107,289,875.73

Finding the Fourth Proportional to 279,826,518.54, 419,793,578.01 and 107,289,875.73

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Solution

The fourth proportional to 279,826,518.54, 419,793,578.01 and 107,289,875.73 is: 160,955,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,826,518.54 : 419,793,578.01 = 107,289,875.73 : x
  2. Step 2: Convert to fraction form
    279,826,518.54/419,793,578.01 = 107,289,875.73/x
  3. Step 3: Cross multiply
    279,826,518.54x = 419,793,578.01 × 107,289,875.73
  4. Step 4: Simplify right side
    279,826,518.54x = 45,039,600,816,944,960
  5. Step 5: Solve for x
    x = 45,039,600,816,944,960/279,826,518.54
  6. Step 6: Final answer
    x = 160,955,441.44

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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.