Home / 145,183,161.92-200,350,240.56-79,104,203.10

Finding the Fourth Proportional to 145,183,161.92, 200,350,240.56 and 79,104,203.10

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Solution

The fourth proportional to 145,183,161.92, 200,350,240.56 and 79,104,203.10 is: 109,162,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,183,161.92 : 200,350,240.56 = 79,104,203.10 : x
  2. Step 2: Convert to fraction form
    145,183,161.92/200,350,240.56 = 79,104,203.10/x
  3. Step 3: Cross multiply
    145,183,161.92x = 200,350,240.56 × 79,104,203.10
  4. Step 4: Simplify right side
    145,183,161.92x = 15,848,546,120,392,096
  5. Step 5: Solve for x
    x = 15,848,546,120,392,096/145,183,161.92
  6. Step 6: Final answer
    x = 109,162,425.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.