Home / 87,647,740.40-131,219,668.20-53,635,516.40

Finding the Fourth Proportional to 87,647,740.40, 131,219,668.20 and 53,635,516.40

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Solution

The fourth proportional to 87,647,740.40, 131,219,668.20 and 53,635,516.40 is: 80,299,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,647,740.40 : 131,219,668.20 = 53,635,516.40 : x
  2. Step 2: Convert to fraction form
    87,647,740.40/131,219,668.20 = 53,635,516.40/x
  3. Step 3: Cross multiply
    87,647,740.40x = 131,219,668.20 × 53,635,516.40
  4. Step 4: Simplify right side
    87,647,740.40x = 7,038,034,665,743,658
  5. Step 5: Solve for x
    x = 7,038,034,665,743,658/87,647,740.40
  6. Step 6: Final answer
    x = 80,299,099.94

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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.