Home / 160,659,949.03-221,715,406.37-91,043,015.11

Finding the Fourth Proportional to 160,659,949.03, 221,715,406.37 and 91,043,015.11

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Solution

The fourth proportional to 160,659,949.03, 221,715,406.37 and 91,043,015.11 is: 125,642,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659,949.03 : 221,715,406.37 = 91,043,015.11 : x
  2. Step 2: Convert to fraction form
    160,659,949.03/221,715,406.37 = 91,043,015.11/x
  3. Step 3: Cross multiply
    160,659,949.03x = 221,715,406.37 × 91,043,015.11
  4. Step 4: Simplify right side
    160,659,949.03x = 20,185,639,091,937,020
  5. Step 5: Solve for x
    x = 20,185,639,091,937,020/160,659,949.03
  6. Step 6: Final answer
    x = 125,642,011.06

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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.