Home / 168,116,009.80-252,174,014.70-82,022,567.80

Finding the Fourth Proportional to 168,116,009.80, 252,174,014.70 and 82,022,567.80

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Solution

The fourth proportional to 168,116,009.80, 252,174,014.70 and 82,022,567.80 is: 123,033,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,116,009.80 : 252,174,014.70 = 82,022,567.80 : x
  2. Step 2: Convert to fraction form
    168,116,009.80/252,174,014.70 = 82,022,567.80/x
  3. Step 3: Cross multiply
    168,116,009.80x = 252,174,014.70 × 82,022,567.80
  4. Step 4: Simplify right side
    168,116,009.80x = 20,683,960,218,128,944
  5. Step 5: Solve for x
    x = 20,683,960,218,128,944/168,116,009.80
  6. Step 6: Final answer
    x = 123,033,851.70

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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.