Home / 279,826,745.46-419,793,917.79-107,290,101.84

Finding the Fourth Proportional to 279,826,745.46, 419,793,917.79 and 107,290,101.84

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Solution

The fourth proportional to 279,826,745.46, 419,793,917.79 and 107,290,101.84 is: 160,955,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,826,745.46 : 419,793,917.79 = 107,290,101.84 : x
  2. Step 2: Convert to fraction form
    279,826,745.46/419,793,917.79 = 107,290,101.84/x
  3. Step 3: Cross multiply
    279,826,745.46x = 419,793,917.79 × 107,290,101.84
  4. Step 4: Simplify right side
    279,826,745.46x = 45,039,732,191,501,688
  5. Step 5: Solve for x
    x = 45,039,732,191,501,688/279,826,745.46
  6. Step 6: Final answer
    x = 160,955,780.40

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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.