Home / 168,116,010.30-252,174,015.45-82,022,568.30

Finding the Fourth Proportional to 168,116,010.30, 252,174,015.45 and 82,022,568.30

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Solution

The fourth proportional to 168,116,010.30, 252,174,015.45 and 82,022,568.30 is: 123,033,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,116,010.30 : 252,174,015.45 = 82,022,568.30 : x
  2. Step 2: Convert to fraction form
    168,116,010.30/252,174,015.45 = 82,022,568.30/x
  3. Step 3: Cross multiply
    168,116,010.30x = 252,174,015.45 × 82,022,568.30
  4. Step 4: Simplify right side
    168,116,010.30x = 20,683,960,405,732,880
  5. Step 5: Solve for x
    x = 20,683,960,405,732,880/168,116,010.30
  6. Step 6: Final answer
    x = 123,033,852.45

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1.5x scale

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.