Finding the Fourth Proportional to 50,720,134.05, 69,987,880.01 and 28,394,342.62
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Solution
The fourth proportional to 50,720,134.05, 69,987,880.01 and 28,394,342.62 is: 39,180,887.07
Step by Step Solution
- Step 1: Write the proportion equation
50,720,134.05 : 69,987,880.01 = 28,394,342.62 : x - Step 2: Convert to fraction form
50,720,134.05/69,987,880.01 = 28,394,342.62/x - Step 3: Cross multiply
50,720,134.05x = 69,987,880.01 × 28,394,342.62 - Step 4: Simplify right side
50,720,134.05x = 1,987,259,844,147,405.25 - Step 5: Solve for x
x = 1,987,259,844,147,405.25/50,720,134.05 - Step 6: Final answer
x = 39,180,887.07
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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.