Home / 87,909,525.45-131,865,401.43-33,307,443.72

Finding the Fourth Proportional to 87,909,525.45, 131,865,401.43 and 33,307,443.72

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Solution

The fourth proportional to 87,909,525.45, 131,865,401.43 and 33,307,443.72 is: 49,961,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,909,525.45 : 131,865,401.43 = 33,307,443.72 : x
  2. Step 2: Convert to fraction form
    87,909,525.45/131,865,401.43 = 33,307,443.72/x
  3. Step 3: Cross multiply
    87,909,525.45x = 131,865,401.43 × 33,307,443.72
  4. Step 4: Simplify right side
    87,909,525.45x = 4,392,099,436,744,932.50
  5. Step 5: Solve for x
    x = 4,392,099,436,744,932.50/87,909,525.45
  6. Step 6: Final answer
    x = 49,961,587.37

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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.