Home / 168,555,491.70-252,850,077.45-45,735,758.70

Finding the Fourth Proportional to 168,555,491.70, 252,850,077.45 and 45,735,758.70

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Solution

The fourth proportional to 168,555,491.70, 252,850,077.45 and 45,735,758.70 is: 68,608,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,555,491.70 : 252,850,077.45 = 45,735,758.70 : x
  2. Step 2: Convert to fraction form
    168,555,491.70/252,850,077.45 = 45,735,758.70/x
  3. Step 3: Cross multiply
    168,555,491.70x = 252,850,077.45 × 45,735,758.70
  4. Step 4: Simplify right side
    168,555,491.70x = 11,564,290,129,529,512
  5. Step 5: Solve for x
    x = 11,564,290,129,529,512/168,555,491.70
  6. Step 6: Final answer
    x = 68,608,207.38

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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.