Home / 87,840,854,260.58-121,222,935,961.02-49,777,795,639.82

Finding the Fourth Proportional to 87,840,854,260.58, 121,222,935,961.02 and 49,777,795,639.82

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Solution

The fourth proportional to 87,840,854,260.58, 121,222,935,961.02 and 49,777,795,639.82 is: 68,694,807,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,840,854,260.58 : 121,222,935,961.02 = 49,777,795,639.82 : x
  2. Step 2: Convert to fraction form
    87,840,854,260.58/121,222,935,961.02 = 49,777,795,639.82/x
  3. Step 3: Cross multiply
    87,840,854,260.58x = 121,222,935,961.02 × 49,777,795,639.82
  4. Step 4: Simplify right side
    87,840,854,260.58x = 6,034,210,533,126,035,210,240
  5. Step 5: Solve for x
    x = 6,034,210,533,126,035,210,240/87,840,854,260.58
  6. Step 6: Final answer
    x = 68,694,807,033.93

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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.