Home / 117,101,752,795.84-161,540,945,005.44-76,480,442,119.15

Finding the Fourth Proportional to 117,101,752,795.84, 161,540,945,005.44 and 76,480,442,119.15

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Solution

The fourth proportional to 117,101,752,795.84, 161,540,945,005.44 and 76,480,442,119.15 is: 105,504,167,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,752,795.84 : 161,540,945,005.44 = 76,480,442,119.15 : x
  2. Step 2: Convert to fraction form
    117,101,752,795.84/161,540,945,005.44 = 76,480,442,119.15/x
  3. Step 3: Cross multiply
    117,101,752,795.84x = 161,540,945,005.44 × 76,480,442,119.15
  4. Step 4: Simplify right side
    117,101,752,795.84x = 12,354,722,894,361,346,965,504
  5. Step 5: Solve for x
    x = 12,354,722,894,361,346,965,504/117,101,752,795.84
  6. Step 6: Final answer
    x = 105,504,167,097.32

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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.