Home / 214,093,853.60-321,140,780.40-203,039,880.80

Finding the Fourth Proportional to 214,093,853.60, 321,140,780.40 and 203,039,880.80

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Solution

The fourth proportional to 214,093,853.60, 321,140,780.40 and 203,039,880.80 is: 304,559,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,093,853.60 : 321,140,780.40 = 203,039,880.80 : x
  2. Step 2: Convert to fraction form
    214,093,853.60/321,140,780.40 = 203,039,880.80/x
  3. Step 3: Cross multiply
    214,093,853.60x = 321,140,780.40 × 203,039,880.80
  4. Step 4: Simplify right side
    214,093,853.60x = 65,204,385,772,434,976
  5. Step 5: Solve for x
    x = 65,204,385,772,434,976/214,093,853.60
  6. Step 6: Final answer
    x = 304,559,821.20

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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.