Home / 121,322,116.80-181,983,175.20-114,625,960.20

Finding the Fourth Proportional to 121,322,116.80, 181,983,175.20 and 114,625,960.20

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Solution

The fourth proportional to 121,322,116.80, 181,983,175.20 and 114,625,960.20 is: 171,938,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322,116.80 : 181,983,175.20 = 114,625,960.20 : x
  2. Step 2: Convert to fraction form
    121,322,116.80/181,983,175.20 = 114,625,960.20/x
  3. Step 3: Cross multiply
    121,322,116.80x = 181,983,175.20 × 114,625,960.20
  4. Step 4: Simplify right side
    121,322,116.80x = 20,859,996,197,544,828
  5. Step 5: Solve for x
    x = 20,859,996,197,544,828/121,322,116.80
  6. Step 6: Final answer
    x = 171,938,940.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.