Home / 193,022,012.80-289,533,019.20-162,788,924.80

Finding the Fourth Proportional to 193,022,012.80, 289,533,019.20 and 162,788,924.80

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Solution

The fourth proportional to 193,022,012.80, 289,533,019.20 and 162,788,924.80 is: 244,183,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,022,012.80 : 289,533,019.20 = 162,788,924.80 : x
  2. Step 2: Convert to fraction form
    193,022,012.80/289,533,019.20 = 162,788,924.80/x
  3. Step 3: Cross multiply
    193,022,012.80x = 289,533,019.20 × 162,788,924.80
  4. Step 4: Simplify right side
    193,022,012.80x = 47,132,768,889,665,760
  5. Step 5: Solve for x
    x = 47,132,768,889,665,760/193,022,012.80
  6. Step 6: Final answer
    x = 244,183,387.20

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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.