Home / 84,286,363.05-126,429,544.58-55,187,015.85

Finding the Fourth Proportional to 84,286,363.05, 126,429,544.58 and 55,187,015.85

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Solution

The fourth proportional to 84,286,363.05, 126,429,544.58 and 55,187,015.85 is: 82,780,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,286,363.05 : 126,429,544.58 = 55,187,015.85 : x
  2. Step 2: Convert to fraction form
    84,286,363.05/126,429,544.58 = 55,187,015.85/x
  3. Step 3: Cross multiply
    84,286,363.05x = 126,429,544.58 × 55,187,015.85
  4. Step 4: Simplify right side
    84,286,363.05x = 6,977,269,280,368,807
  5. Step 5: Solve for x
    x = 6,977,269,280,368,807/84,286,363.05
  6. Step 6: Final answer
    x = 82,780,523.78

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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.