Home / 161,764,409.80-242,646,614.70-100,542,406.60

Finding the Fourth Proportional to 161,764,409.80, 242,646,614.70 and 100,542,406.60

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Solution

The fourth proportional to 161,764,409.80, 242,646,614.70 and 100,542,406.60 is: 150,813,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764,409.80 : 242,646,614.70 = 100,542,406.60 : x
  2. Step 2: Convert to fraction form
    161,764,409.80/242,646,614.70 = 100,542,406.60/x
  3. Step 3: Cross multiply
    161,764,409.80x = 242,646,614.70 × 100,542,406.60
  4. Step 4: Simplify right side
    161,764,409.80x = 24,396,274,595,280,936
  5. Step 5: Solve for x
    x = 24,396,274,595,280,936/161,764,409.80
  6. Step 6: Final answer
    x = 150,813,609.90

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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.