Home / 48,289,081.20-72,408,738.60-17,981,343.60

Finding the Fourth Proportional to 48,289,081.20, 72,408,738.60 and 17,981,343.60

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Solution

The fourth proportional to 48,289,081.20, 72,408,738.60 and 17,981,343.60 is: 26,962,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,289,081.20 : 72,408,738.60 = 17,981,343.60 : x
  2. Step 2: Convert to fraction form
    48,289,081.20/72,408,738.60 = 17,981,343.60/x
  3. Step 3: Cross multiply
    48,289,081.20x = 72,408,738.60 × 17,981,343.60
  4. Step 4: Simplify right side
    48,289,081.20x = 1,302,006,408,409,183
  5. Step 5: Solve for x
    x = 1,302,006,408,409,183/48,289,081.20
  6. Step 6: Final answer
    x = 26,962,749.67

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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.