Home / 217,397,086.80-326,095,630.20-148,522,333.20

Finding the Fourth Proportional to 217,397,086.80, 326,095,630.20 and 148,522,333.20

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Solution

The fourth proportional to 217,397,086.80, 326,095,630.20 and 148,522,333.20 is: 222,783,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,397,086.80 : 326,095,630.20 = 148,522,333.20 : x
  2. Step 2: Convert to fraction form
    217,397,086.80/326,095,630.20 = 148,522,333.20/x
  3. Step 3: Cross multiply
    217,397,086.80x = 326,095,630.20 × 148,522,333.20
  4. Step 4: Simplify right side
    217,397,086.80x = 48,432,483,843,628,376
  5. Step 5: Solve for x
    x = 48,432,483,843,628,376/217,397,086.80
  6. Step 6: Final answer
    x = 222,783,499.80

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1.5x scale

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.