Home / 87,573,637,101.43-131,289,764,779.22-80,504,926,591.89

Finding the Fourth Proportional to 87,573,637,101.43, 131,289,764,779.22 and 80,504,926,591.89

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Solution

The fourth proportional to 87,573,637,101.43, 131,289,764,779.22 and 80,504,926,591.89 is: 120,692,404,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,573,637,101.43 : 131,289,764,779.22 = 80,504,926,591.89 : x
  2. Step 2: Convert to fraction form
    87,573,637,101.43/131,289,764,779.22 = 80,504,926,591.89/x
  3. Step 3: Cross multiply
    87,573,637,101.43x = 131,289,764,779.22 × 80,504,926,591.89
  4. Step 4: Simplify right side
    87,573,637,101.43x = 10,569,472,875,818,135,846,912
  5. Step 5: Solve for x
    x = 10,569,472,875,818,135,846,912/87,573,637,101.43
  6. Step 6: Final answer
    x = 120,692,404,993.72

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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.