Home / 199,288,593.60-298,932,890.40-122,362,180.80

Finding the Fourth Proportional to 199,288,593.60, 298,932,890.40 and 122,362,180.80

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Solution

The fourth proportional to 199,288,593.60, 298,932,890.40 and 122,362,180.80 is: 183,543,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288,593.60 : 298,932,890.40 = 122,362,180.80 : x
  2. Step 2: Convert to fraction form
    199,288,593.60/298,932,890.40 = 122,362,180.80/x
  3. Step 3: Cross multiply
    199,288,593.60x = 298,932,890.40 × 122,362,180.80
  4. Step 4: Simplify right side
    199,288,593.60x = 36,578,080,382,191,384
  5. Step 5: Solve for x
    x = 36,578,080,382,191,384/199,288,593.60
  6. Step 6: Final answer
    x = 183,543,271.20

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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.