Home / 193,022,020.80-289,533,031.20-162,788,932.80

Finding the Fourth Proportional to 193,022,020.80, 289,533,031.20 and 162,788,932.80

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Solution

The fourth proportional to 193,022,020.80, 289,533,031.20 and 162,788,932.80 is: 244,183,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,022,020.80 : 289,533,031.20 = 162,788,932.80 : x
  2. Step 2: Convert to fraction form
    193,022,020.80/289,533,031.20 = 162,788,932.80/x
  3. Step 3: Cross multiply
    193,022,020.80x = 289,533,031.20 × 162,788,932.80
  4. Step 4: Simplify right side
    193,022,020.80x = 47,132,773,159,397,104
  5. Step 5: Solve for x
    x = 47,132,773,159,397,104/193,022,020.80
  6. Step 6: Final answer
    x = 244,183,399.20

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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.