Home / 87,408,047.90-131,112,071.85-53,395,823.90

Finding the Fourth Proportional to 87,408,047.90, 131,112,071.85 and 53,395,823.90

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Solution

The fourth proportional to 87,408,047.90, 131,112,071.85 and 53,395,823.90 is: 80,093,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,047.90 : 131,112,071.85 = 53,395,823.90 : x
  2. Step 2: Convert to fraction form
    87,408,047.90/131,112,071.85 = 53,395,823.90/x
  3. Step 3: Cross multiply
    87,408,047.90x = 131,112,071.85 × 53,395,823.90
  4. Step 4: Simplify right side
    87,408,047.90x = 7,000,837,099,666,747
  5. Step 5: Solve for x
    x = 7,000,837,099,666,747/87,408,047.90
  6. Step 6: Final answer
    x = 80,093,735.85

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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.