Home / 220,276,974.27-330,453,104.54-90,813,813.24

Finding the Fourth Proportional to 220,276,974.27, 330,453,104.54 and 90,813,813.24

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Solution

The fourth proportional to 220,276,974.27, 330,453,104.54 and 90,813,813.24 is: 136,236,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,276,974.27 : 330,453,104.54 = 90,813,813.24 : x
  2. Step 2: Convert to fraction form
    220,276,974.27/330,453,104.54 = 90,813,813.24/x
  3. Step 3: Cross multiply
    220,276,974.27x = 330,453,104.54 × 90,813,813.24
  4. Step 4: Simplify right side
    220,276,974.27x = 30,009,706,519,819,688
  5. Step 5: Solve for x
    x = 30,009,706,519,819,688/220,276,974.27
  6. Step 6: Final answer
    x = 136,236,239.03

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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.