Finding the Fourth Proportional to 50,720,118.37, 69,987,858.45 and 28,394,326.96
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Solution
The fourth proportional to 50,720,118.37, 69,987,858.45 and 28,394,326.96 is: 39,180,865.50
Step by Step Solution
- Step 1: Write the proportion equation
50,720,118.37 : 69,987,858.45 = 28,394,326.96 : x - Step 2: Convert to fraction form
50,720,118.37/69,987,858.45 = 28,394,326.96/x - Step 3: Cross multiply
50,720,118.37x = 69,987,858.45 × 28,394,326.96 - Step 4: Simplify right side
50,720,118.37x = 1,987,258,136,059,499 - Step 5: Solve for x
x = 1,987,258,136,059,499/50,720,118.37 - Step 6: Final answer
x = 39,180,865.50
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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.