Home / 260,321,902.58-359,243,240.01-142,849,198.67

Finding the Fourth Proportional to 260,321,902.58, 359,243,240.01 and 142,849,198.67

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Solution

The fourth proportional to 260,321,902.58, 359,243,240.01 and 142,849,198.67 is: 197,131,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,902.58 : 359,243,240.01 = 142,849,198.67 : x
  2. Step 2: Convert to fraction form
    260,321,902.58/359,243,240.01 = 142,849,198.67/x
  3. Step 3: Cross multiply
    260,321,902.58x = 359,243,240.01 × 142,849,198.67
  4. Step 4: Simplify right side
    260,321,902.58x = 51,317,608,963,042,976
  5. Step 5: Solve for x
    x = 51,317,608,963,042,976/260,321,902.58
  6. Step 6: Final answer
    x = 197,131,353.35

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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.