Finding the Fourth Proportional to 115,684,106.88, 159,644,050.23 and 66,125,544.72
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Solution
The fourth proportional to 115,684,106.88, 159,644,050.23 and 66,125,544.72 is: 91,253,241.85
Step by Step Solution
- Step 1: Write the proportion equation
115,684,106.88 : 159,644,050.23 = 66,125,544.72 : x - Step 2: Convert to fraction form
115,684,106.88/159,644,050.23 = 66,125,544.72/x - Step 3: Cross multiply
115,684,106.88x = 159,644,050.23 × 66,125,544.72 - Step 4: Simplify right side
115,684,106.88x = 10,556,549,782,765,790 - Step 5: Solve for x
x = 10,556,549,782,765,790/115,684,106.88 - Step 6: Final answer
x = 91,253,241.85
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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.