Home / 275,399,216.36-380,057,733.80-149,958,289.16

Finding the Fourth Proportional to 275,399,216.36, 380,057,733.80 and 149,958,289.16

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Solution

The fourth proportional to 275,399,216.36, 380,057,733.80 and 149,958,289.16 is: 206,946,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,399,216.36 : 380,057,733.80 = 149,958,289.16 : x
  2. Step 2: Convert to fraction form
    275,399,216.36/380,057,733.80 = 149,958,289.16/x
  3. Step 3: Cross multiply
    275,399,216.36x = 380,057,733.80 × 149,958,289.16
  4. Step 4: Simplify right side
    275,399,216.36x = 56,992,807,542,674,704
  5. Step 5: Solve for x
    x = 56,992,807,542,674,704/275,399,216.36
  6. Step 6: Final answer
    x = 206,946,150.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.