Home / 199,980,824.70-299,698,872.92-112,584,027.90

Finding the Fourth Proportional to 199,980,824.70, 299,698,872.92 and 112,584,027.90

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Solution

The fourth proportional to 199,980,824.70, 299,698,872.92 and 112,584,027.90 is: 168,722,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,980,824.70 : 299,698,872.92 = 112,584,027.90 : x
  2. Step 2: Convert to fraction form
    199,980,824.70/299,698,872.92 = 112,584,027.90/x
  3. Step 3: Cross multiply
    199,980,824.70x = 299,698,872.92 × 112,584,027.90
  4. Step 4: Simplify right side
    199,980,824.70x = 33,741,306,269,719,668
  5. Step 5: Solve for x
    x = 33,741,306,269,719,668/199,980,824.70
  6. Step 6: Final answer
    x = 168,722,707.89

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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.