Home / 87,840,854,260.20-121,222,935,960.50-49,777,795,639.44

Finding the Fourth Proportional to 87,840,854,260.20, 121,222,935,960.50 and 49,777,795,639.44

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Solution

The fourth proportional to 87,840,854,260.20, 121,222,935,960.50 and 49,777,795,639.44 is: 68,694,807,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,840,854,260.20 : 121,222,935,960.50 = 49,777,795,639.44 : x
  2. Step 2: Convert to fraction form
    87,840,854,260.20/121,222,935,960.50 = 49,777,795,639.44/x
  3. Step 3: Cross multiply
    87,840,854,260.20x = 121,222,935,960.50 × 49,777,795,639.44
  4. Step 4: Simplify right side
    87,840,854,260.20x = 6,034,210,533,054,691,147,776
  5. Step 5: Solve for x
    x = 6,034,210,533,054,691,147,776/87,840,854,260.20
  6. Step 6: Final answer
    x = 68,694,807,033.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.