Home / 190,212,725.52-262,489,119.84-111,901,321.44

Finding the Fourth Proportional to 190,212,725.52, 262,489,119.84 and 111,901,321.44

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Solution

The fourth proportional to 190,212,725.52, 262,489,119.84 and 111,901,321.44 is: 154,421,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,212,725.52 : 262,489,119.84 = 111,901,321.44 : x
  2. Step 2: Convert to fraction form
    190,212,725.52/262,489,119.84 = 111,901,321.44/x
  3. Step 3: Cross multiply
    190,212,725.52x = 262,489,119.84 × 111,901,321.44
  4. Step 4: Simplify right side
    190,212,725.52x = 29,372,879,373,718,520
  5. Step 5: Solve for x
    x = 29,372,879,373,718,520/190,212,725.52
  6. Step 6: Final answer
    x = 154,421,210.74

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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.