Home / 203,700,122.40-305,550,183.60-74,311,953.60

Finding the Fourth Proportional to 203,700,122.40, 305,550,183.60 and 74,311,953.60

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Solution

The fourth proportional to 203,700,122.40, 305,550,183.60 and 74,311,953.60 is: 111,467,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,700,122.40 : 305,550,183.60 = 74,311,953.60 : x
  2. Step 2: Convert to fraction form
    203,700,122.40/305,550,183.60 = 74,311,953.60/x
  3. Step 3: Cross multiply
    203,700,122.40x = 305,550,183.60 × 74,311,953.60
  4. Step 4: Simplify right side
    203,700,122.40x = 22,706,031,066,154,680
  5. Step 5: Solve for x
    x = 22,706,031,066,154,680/203,700,122.40
  6. Step 6: Final answer
    x = 111,467,930.40

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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.