Home / 199,725,347.07-275,629,491.03-111,619,342.16

Finding the Fourth Proportional to 199,725,347.07, 275,629,491.03 and 111,619,342.16

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Solution

The fourth proportional to 199,725,347.07, 275,629,491.03 and 111,619,342.16 is: 154,039,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725,347.07 : 275,629,491.03 = 111,619,342.16 : x
  2. Step 2: Convert to fraction form
    199,725,347.07/275,629,491.03 = 111,619,342.16/x
  3. Step 3: Cross multiply
    199,725,347.07x = 275,629,491.03 × 111,619,342.16
  4. Step 4: Simplify right side
    199,725,347.07x = 30,765,582,467,286,072
  5. Step 5: Solve for x
    x = 30,765,582,467,286,072/199,725,347.07
  6. Step 6: Final answer
    x = 154,039,449.27

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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.