Home / 168,507,003.80-252,760,505.70-47,338,455.80

Finding the Fourth Proportional to 168,507,003.80, 252,760,505.70 and 47,338,455.80

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Solution

The fourth proportional to 168,507,003.80, 252,760,505.70 and 47,338,455.80 is: 71,007,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,507,003.80 : 252,760,505.70 = 47,338,455.80 : x
  2. Step 2: Convert to fraction form
    168,507,003.80/252,760,505.70 = 47,338,455.80/x
  3. Step 3: Cross multiply
    168,507,003.80x = 252,760,505.70 × 47,338,455.80
  4. Step 4: Simplify right side
    168,507,003.80x = 11,965,292,027,065,096
  5. Step 5: Solve for x
    x = 11,965,292,027,065,096/168,507,003.80
  6. Step 6: Final answer
    x = 71,007,683.70

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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.