Home / 199,725,372.42-275,629,526.01-111,619,367.51

Finding the Fourth Proportional to 199,725,372.42, 275,629,526.01 and 111,619,367.51

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Solution

The fourth proportional to 199,725,372.42, 275,629,526.01 and 111,619,367.51 is: 154,039,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725,372.42 : 275,629,526.01 = 111,619,367.51 : x
  2. Step 2: Convert to fraction form
    199,725,372.42/275,629,526.01 = 111,619,367.51/x
  3. Step 3: Cross multiply
    199,725,372.42x = 275,629,526.01 × 111,619,367.51
  4. Step 4: Simplify right side
    199,725,372.42x = 30,765,593,358,939,144
  5. Step 5: Solve for x
    x = 30,765,593,358,939,144/199,725,372.42
  6. Step 6: Final answer
    x = 154,039,484.25

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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.