Home / 199,025,105.60-298,670,368.80-91,264,260.80

Finding the Fourth Proportional to 199,025,105.60, 298,670,368.80 and 91,264,260.80

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Solution

The fourth proportional to 199,025,105.60, 298,670,368.80 and 91,264,260.80 is: 136,957,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,025,105.60 : 298,670,368.80 = 91,264,260.80 : x
  2. Step 2: Convert to fraction form
    199,025,105.60/298,670,368.80 = 91,264,260.80/x
  3. Step 3: Cross multiply
    199,025,105.60x = 298,670,368.80 × 91,264,260.80
  4. Step 4: Simplify right side
    199,025,105.60x = 27,257,930,431,395,384
  5. Step 5: Solve for x
    x = 27,257,930,431,395,384/199,025,105.60
  6. Step 6: Final answer
    x = 136,957,246.42

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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.