Home / 168,116,004.80-252,174,007.20-82,022,562.80

Finding the Fourth Proportional to 168,116,004.80, 252,174,007.20 and 82,022,562.80

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Solution

The fourth proportional to 168,116,004.80, 252,174,007.20 and 82,022,562.80 is: 123,033,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,116,004.80 : 252,174,007.20 = 82,022,562.80 : x
  2. Step 2: Convert to fraction form
    168,116,004.80/252,174,007.20 = 82,022,562.80/x
  3. Step 3: Cross multiply
    168,116,004.80x = 252,174,007.20 × 82,022,562.80
  4. Step 4: Simplify right side
    168,116,004.80x = 20,683,958,342,089,652
  5. Step 5: Solve for x
    x = 20,683,958,342,089,652/168,116,004.80
  6. Step 6: Final answer
    x = 123,033,844.20

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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.