Home / 117,101,752,795.32-161,540,945,004.71-76,480,442,118.65

Finding the Fourth Proportional to 117,101,752,795.32, 161,540,945,004.71 and 76,480,442,118.65

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Solution

The fourth proportional to 117,101,752,795.32, 161,540,945,004.71 and 76,480,442,118.65 is: 105,504,167,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,752,795.32 : 161,540,945,004.71 = 76,480,442,118.65 : x
  2. Step 2: Convert to fraction form
    117,101,752,795.32/161,540,945,004.71 = 76,480,442,118.65/x
  3. Step 3: Cross multiply
    117,101,752,795.32x = 161,540,945,004.71 × 76,480,442,118.65
  4. Step 4: Simplify right side
    117,101,752,795.32x = 12,354,722,894,223,937,372,160
  5. Step 5: Solve for x
    x = 12,354,722,894,223,937,372,160/117,101,752,795.32
  6. Step 6: Final answer
    x = 105,504,167,096.62

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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.