Home / 442,674,811.10-664,111,749.45-135,981,076.70

Finding the Fourth Proportional to 442,674,811.10, 664,111,749.45 and 135,981,076.70

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Solution

The fourth proportional to 442,674,811.10, 664,111,749.45 and 135,981,076.70 is: 204,002,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,674,811.10 : 664,111,749.45 = 135,981,076.70 : x
  2. Step 2: Convert to fraction form
    442,674,811.10/664,111,749.45 = 135,981,076.70/x
  3. Step 3: Cross multiply
    442,674,811.10x = 664,111,749.45 × 135,981,076.70
  4. Step 4: Simplify right side
    442,674,811.10x = 90,306,630,739,331,632
  5. Step 5: Solve for x
    x = 90,306,630,739,331,632/442,674,811.10
  6. Step 6: Final answer
    x = 204,002,189.59

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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.