Home / 87,840,854,262.39-121,222,935,963.52-49,777,795,641.63

Finding the Fourth Proportional to 87,840,854,262.39, 121,222,935,963.52 and 49,777,795,641.63

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Solution

The fourth proportional to 87,840,854,262.39, 121,222,935,963.52 and 49,777,795,641.63 is: 68,694,807,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,840,854,262.39 : 121,222,935,963.52 = 49,777,795,641.63 : x
  2. Step 2: Convert to fraction form
    87,840,854,262.39/121,222,935,963.52 = 49,777,795,641.63/x
  3. Step 3: Cross multiply
    87,840,854,262.39x = 121,222,935,963.52 × 49,777,795,641.63
  4. Step 4: Simplify right side
    87,840,854,262.39x = 6,034,210,533,470,498,717,696
  5. Step 5: Solve for x
    x = 6,034,210,533,470,498,717,696/87,840,854,262.39
  6. Step 6: Final answer
    x = 68,694,807,036.44

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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.