Home / 199,694,473.63-275,573,241.06-111,589,195.15

Finding the Fourth Proportional to 199,694,473.63, 275,573,241.06 and 111,589,195.15

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Solution

The fourth proportional to 199,694,473.63, 275,573,241.06 and 111,589,195.15 is: 153,990,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,694,473.63 : 275,573,241.06 = 111,589,195.15 : x
  2. Step 2: Convert to fraction form
    199,694,473.63/275,573,241.06 = 111,589,195.15/x
  3. Step 3: Cross multiply
    199,694,473.63x = 275,573,241.06 × 111,589,195.15
  4. Step 4: Simplify right side
    199,694,473.63x = 30,750,996,174,762,336
  5. Step 5: Solve for x
    x = 30,750,996,174,762,336/199,694,473.63
  6. Step 6: Final answer
    x = 153,990,221.24

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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.