Home / 87,405,940.60-131,108,910.90-29,893,089.40

Finding the Fourth Proportional to 87,405,940.60, 131,108,910.90 and 29,893,089.40

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Solution

The fourth proportional to 87,405,940.60, 131,108,910.90 and 29,893,089.40 is: 44,839,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405,940.60 : 131,108,910.90 = 29,893,089.40 : x
  2. Step 2: Convert to fraction form
    87,405,940.60/131,108,910.90 = 29,893,089.40/x
  3. Step 3: Cross multiply
    87,405,940.60x = 131,108,910.90 × 29,893,089.40
  4. Step 4: Simplify right side
    87,405,940.60x = 3,919,250,394,670,334.50
  5. Step 5: Solve for x
    x = 3,919,250,394,670,334.50/87,405,940.60
  6. Step 6: Final answer
    x = 44,839,634.10

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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.