Home / 199,328,762.60-298,993,143.90-148,310,426.60

Finding the Fourth Proportional to 199,328,762.60, 298,993,143.90 and 148,310,426.60

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Solution

The fourth proportional to 199,328,762.60, 298,993,143.90 and 148,310,426.60 is: 222,465,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,328,762.60 : 298,993,143.90 = 148,310,426.60 : x
  2. Step 2: Convert to fraction form
    199,328,762.60/298,993,143.90 = 148,310,426.60/x
  3. Step 3: Cross multiply
    199,328,762.60x = 298,993,143.90 × 148,310,426.60
  4. Step 4: Simplify right side
    199,328,762.60x = 44,343,800,722,284,184
  5. Step 5: Solve for x
    x = 44,343,800,722,284,184/199,328,762.60
  6. Step 6: Final answer
    x = 222,465,639.90

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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.