Home / 199,303,391.60-298,955,087.40-147,647,326.40

Finding the Fourth Proportional to 199,303,391.60, 298,955,087.40 and 147,647,326.40

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Solution

The fourth proportional to 199,303,391.60, 298,955,087.40 and 147,647,326.40 is: 221,470,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303,391.60 : 298,955,087.40 = 147,647,326.40 : x
  2. Step 2: Convert to fraction form
    199,303,391.60/298,955,087.40 = 147,647,326.40/x
  3. Step 3: Cross multiply
    199,303,391.60x = 298,955,087.40 × 147,647,326.40
  4. Step 4: Simplify right side
    199,303,391.60x = 44,139,919,368,288,328
  5. Step 5: Solve for x
    x = 44,139,919,368,288,328/199,303,391.60
  6. Step 6: Final answer
    x = 221,470,989.60

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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.