Home / 87,408,091.40-131,112,137.10-53,395,867.40

Finding the Fourth Proportional to 87,408,091.40, 131,112,137.10 and 53,395,867.40

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Solution

The fourth proportional to 87,408,091.40, 131,112,137.10 and 53,395,867.40 is: 80,093,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,091.40 : 131,112,137.10 = 53,395,867.40 : x
  2. Step 2: Convert to fraction form
    87,408,091.40/131,112,137.10 = 53,395,867.40/x
  3. Step 3: Cross multiply
    87,408,091.40x = 131,112,137.10 × 53,395,867.40
  4. Step 4: Simplify right side
    87,408,091.40x = 7,000,846,287,122,220
  5. Step 5: Solve for x
    x = 7,000,846,287,122,220/87,408,091.40
  6. Step 6: Final answer
    x = 80,093,801.10

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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.