Home / 330,289,022.91-495,422,313.67-84,648,069.75

Finding the Fourth Proportional to 330,289,022.91, 495,422,313.67 and 84,648,069.75

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Solution

The fourth proportional to 330,289,022.91, 495,422,313.67 and 84,648,069.75 is: 126,969,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,289,022.91 : 495,422,313.67 = 84,648,069.75 : x
  2. Step 2: Convert to fraction form
    330,289,022.91/495,422,313.67 = 84,648,069.75/x
  3. Step 3: Cross multiply
    330,289,022.91x = 495,422,313.67 × 84,648,069.75
  4. Step 4: Simplify right side
    330,289,022.91x = 41,936,542,563,244,536
  5. Step 5: Solve for x
    x = 41,936,542,563,244,536/330,289,022.91
  6. Step 6: Final answer
    x = 126,969,228.93

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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.