Home / 199,709,131.66-275,598,975.08-111,603,129.44

Finding the Fourth Proportional to 199,709,131.66, 275,598,975.08 and 111,603,129.44

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Solution

The fourth proportional to 199,709,131.66, 275,598,975.08 and 111,603,129.44 is: 154,012,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,131.66 : 275,598,975.08 = 111,603,129.44 : x
  2. Step 2: Convert to fraction form
    199,709,131.66/275,598,975.08 = 111,603,129.44/x
  3. Step 3: Cross multiply
    199,709,131.66x = 275,598,975.08 × 111,603,129.44
  4. Step 4: Simplify right side
    199,709,131.66x = 30,757,708,089,060,020
  5. Step 5: Solve for x
    x = 30,757,708,089,060,020/199,709,131.66
  6. Step 6: Final answer
    x = 154,012,527.29

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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.