Home / 87,408,072.60-131,112,108.90-29,895,221.40

Finding the Fourth Proportional to 87,408,072.60, 131,112,108.90 and 29,895,221.40

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Solution

The fourth proportional to 87,408,072.60, 131,112,108.90 and 29,895,221.40 is: 44,842,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,072.60 : 131,112,108.90 = 29,895,221.40 : x
  2. Step 2: Convert to fraction form
    87,408,072.60/131,112,108.90 = 29,895,221.40/x
  3. Step 3: Cross multiply
    87,408,072.60x = 131,112,108.90 × 29,895,221.40
  4. Step 4: Simplify right side
    87,408,072.60x = 3,919,625,523,786,410.50
  5. Step 5: Solve for x
    x = 3,919,625,523,786,410.50/87,408,072.60
  6. Step 6: Final answer
    x = 44,842,832.10

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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.