Home / 217,824,285.20-300,597,576.12-118,705,059.84

Finding the Fourth Proportional to 217,824,285.20, 300,597,576.12 and 118,705,059.84

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Solution

The fourth proportional to 217,824,285.20, 300,597,576.12 and 118,705,059.84 is: 163,813,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,824,285.20 : 300,597,576.12 = 118,705,059.84 : x
  2. Step 2: Convert to fraction form
    217,824,285.20/300,597,576.12 = 118,705,059.84/x
  3. Step 3: Cross multiply
    217,824,285.20x = 300,597,576.12 × 118,705,059.84
  4. Step 4: Simplify right side
    217,824,285.20x = 35,682,453,261,083,556
  5. Step 5: Solve for x
    x = 35,682,453,261,083,556/217,824,285.20
  6. Step 6: Final answer
    x = 163,813,016.66

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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.