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Finding the Fourth Proportional to 201,449,626.80, 302,174,440.20 and 80,367,975.60

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Solution

The fourth proportional to 201,449,626.80, 302,174,440.20 and 80,367,975.60 is: 120,551,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,449,626.80 : 302,174,440.20 = 80,367,975.60 : x
  2. Step 2: Convert to fraction form
    201,449,626.80/302,174,440.20 = 80,367,975.60/x
  3. Step 3: Cross multiply
    201,449,626.80x = 302,174,440.20 × 80,367,975.60
  4. Step 4: Simplify right side
    201,449,626.80x = 24,285,148,036,937,256
  5. Step 5: Solve for x
    x = 24,285,148,036,937,256/201,449,626.80
  6. Step 6: Final answer
    x = 120,551,963.40

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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.