Home / 117,101,752,798.85-161,540,945,009.58-76,480,442,122.16

Finding the Fourth Proportional to 117,101,752,798.85, 161,540,945,009.58 and 76,480,442,122.16

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Solution

The fourth proportional to 117,101,752,798.85, 161,540,945,009.58 and 76,480,442,122.16 is: 105,504,167,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,752,798.85 : 161,540,945,009.58 = 76,480,442,122.16 : x
  2. Step 2: Convert to fraction form
    117,101,752,798.85/161,540,945,009.58 = 76,480,442,122.16/x
  3. Step 3: Cross multiply
    117,101,752,798.85x = 161,540,945,009.58 × 76,480,442,122.16
  4. Step 4: Simplify right side
    117,101,752,798.85x = 12,354,722,895,163,404,845,056
  5. Step 5: Solve for x
    x = 12,354,722,895,163,404,845,056/117,101,752,798.85
  6. Step 6: Final answer
    x = 105,504,167,101.46

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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.