Home / 199,487,173.82-275,289,692.45-111,382,671.11

Finding the Fourth Proportional to 199,487,173.82, 275,289,692.45 and 111,382,671.11

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Solution

The fourth proportional to 199,487,173.82, 275,289,692.45 and 111,382,671.11 is: 153,706,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,487,173.82 : 275,289,692.45 = 111,382,671.11 : x
  2. Step 2: Convert to fraction form
    199,487,173.82/275,289,692.45 = 111,382,671.11/x
  3. Step 3: Cross multiply
    199,487,173.82x = 275,289,692.45 × 111,382,671.11
  4. Step 4: Simplify right side
    199,487,173.82x = 30,662,501,272,198,040
  5. Step 5: Solve for x
    x = 30,662,501,272,198,040/199,487,173.82
  6. Step 6: Final answer
    x = 153,706,630.29

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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.