Home / 87,573,637,102.43-131,289,764,780.72-80,504,926,592.89

Finding the Fourth Proportional to 87,573,637,102.43, 131,289,764,780.72 and 80,504,926,592.89

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Solution

The fourth proportional to 87,573,637,102.43, 131,289,764,780.72 and 80,504,926,592.89 is: 120,692,404,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,573,637,102.43 : 131,289,764,780.72 = 80,504,926,592.89 : x
  2. Step 2: Convert to fraction form
    87,573,637,102.43/131,289,764,780.72 = 80,504,926,592.89/x
  3. Step 3: Cross multiply
    87,573,637,102.43x = 131,289,764,780.72 × 80,504,926,592.89
  4. Step 4: Simplify right side
    87,573,637,102.43x = 10,569,472,876,069,657,772,032
  5. Step 5: Solve for x
    x = 10,569,472,876,069,657,772,032/87,573,637,102.43
  6. Step 6: Final answer
    x = 120,692,404,995.21

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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.