Home / 199,725,379.78-275,629,536.23-111,619,374.92

Finding the Fourth Proportional to 199,725,379.78, 275,629,536.23 and 111,619,374.92

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Solution

The fourth proportional to 199,725,379.78, 275,629,536.23 and 111,619,374.92 is: 154,039,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725,379.78 : 275,629,536.23 = 111,619,374.92 : x
  2. Step 2: Convert to fraction form
    199,725,379.78/275,629,536.23 = 111,619,374.92/x
  3. Step 3: Cross multiply
    199,725,379.78x = 275,629,536.23 × 111,619,374.92
  4. Step 4: Simplify right side
    199,725,379.78x = 30,765,596,544,756,916
  5. Step 5: Solve for x
    x = 30,765,596,544,756,916/199,725,379.78
  6. Step 6: Final answer
    x = 154,039,494.52

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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.