Home / 161,510,721.24-222,883,661.48-88,171,863.24

Finding the Fourth Proportional to 161,510,721.24, 222,883,661.48 and 88,171,863.24

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Solution

The fourth proportional to 161,510,721.24, 222,883,661.48 and 88,171,863.24 is: 121,676,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,510,721.24 : 222,883,661.48 = 88,171,863.24 : x
  2. Step 2: Convert to fraction form
    161,510,721.24/222,883,661.48 = 88,171,863.24/x
  3. Step 3: Cross multiply
    161,510,721.24x = 222,883,661.48 × 88,171,863.24
  4. Step 4: Simplify right side
    161,510,721.24x = 19,652,067,718,445,012
  5. Step 5: Solve for x
    x = 19,652,067,718,445,012/161,510,721.24
  6. Step 6: Final answer
    x = 121,676,552.29

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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.