Home / 199,320,140.80-298,980,211.20-195,289,062.40

Finding the Fourth Proportional to 199,320,140.80, 298,980,211.20 and 195,289,062.40

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Solution

The fourth proportional to 199,320,140.80, 298,980,211.20 and 195,289,062.40 is: 292,933,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,320,140.80 : 298,980,211.20 = 195,289,062.40 : x
  2. Step 2: Convert to fraction form
    199,320,140.80/298,980,211.20 = 195,289,062.40/x
  3. Step 3: Cross multiply
    199,320,140.80x = 298,980,211.20 × 195,289,062.40
  4. Step 4: Simplify right side
    199,320,140.80x = 58,387,565,121,401,976
  5. Step 5: Solve for x
    x = 58,387,565,121,401,976/199,320,140.80
  6. Step 6: Final answer
    x = 292,933,593.60

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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.