Home / 118,112,147.20-177,168,220.80-104,082,104.80

Finding the Fourth Proportional to 118,112,147.20, 177,168,220.80 and 104,082,104.80

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Solution

The fourth proportional to 118,112,147.20, 177,168,220.80 and 104,082,104.80 is: 156,123,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,112,147.20 : 177,168,220.80 = 104,082,104.80 : x
  2. Step 2: Convert to fraction form
    118,112,147.20/177,168,220.80 = 104,082,104.80/x
  3. Step 3: Cross multiply
    118,112,147.20x = 177,168,220.80 × 104,082,104.80
  4. Step 4: Simplify right side
    118,112,147.20x = 18,440,041,324,535,140
  5. Step 5: Solve for x
    x = 18,440,041,324,535,140/118,112,147.20
  6. Step 6: Final answer
    x = 156,123,157.20

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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.