Home / 33,920,190.40-50,880,285.60-20,315,300.80

Finding the Fourth Proportional to 33,920,190.40, 50,880,285.60 and 20,315,300.80

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Solution

The fourth proportional to 33,920,190.40, 50,880,285.60 and 20,315,300.80 is: 30,472,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920,190.40 : 50,880,285.60 = 20,315,300.80 : x
  2. Step 2: Convert to fraction form
    33,920,190.40/50,880,285.60 = 20,315,300.80/x
  3. Step 3: Cross multiply
    33,920,190.40x = 50,880,285.60 × 20,315,300.80
  4. Step 4: Simplify right side
    33,920,190.40x = 1,033,648,306,753,908.50
  5. Step 5: Solve for x
    x = 1,033,648,306,753,908.50/33,920,190.40
  6. Step 6: Final answer
    x = 30,472,951.20

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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.