Home / 199,203,442.40-298,805,163.60-140,752,805.60

Finding the Fourth Proportional to 199,203,442.40, 298,805,163.60 and 140,752,805.60

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Solution

The fourth proportional to 199,203,442.40, 298,805,163.60 and 140,752,805.60 is: 211,129,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203,442.40 : 298,805,163.60 = 140,752,805.60 : x
  2. Step 2: Convert to fraction form
    199,203,442.40/298,805,163.60 = 140,752,805.60/x
  3. Step 3: Cross multiply
    199,203,442.40x = 298,805,163.60 × 140,752,805.60
  4. Step 4: Simplify right side
    199,203,442.40x = 42,057,665,104,467,000
  5. Step 5: Solve for x
    x = 42,057,665,104,467,000/199,203,442.40
  6. Step 6: Final answer
    x = 211,129,208.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.