Home / 87,369,687.70-131,138,512.35-44,287,537.30

Finding the Fourth Proportional to 87,369,687.70, 131,138,512.35 and 44,287,537.30

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Solution

The fourth proportional to 87,369,687.70, 131,138,512.35 and 44,287,537.30 is: 66,473,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,369,687.70 : 131,138,512.35 = 44,287,537.30 : x
  2. Step 2: Convert to fraction form
    87,369,687.70/131,138,512.35 = 44,287,537.30/x
  3. Step 3: Cross multiply
    87,369,687.70x = 131,138,512.35 × 44,287,537.30
  4. Step 4: Simplify right side
    87,369,687.70x = 5,807,801,757,167,135
  5. Step 5: Solve for x
    x = 5,807,801,757,167,135/87,369,687.70
  6. Step 6: Final answer
    x = 66,473,875.67

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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.