Finding the Fourth Proportional to 190,635,566.51, 263,062,644.16 and 106,987,541.97
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Solution
The fourth proportional to 190,635,566.51, 263,062,644.16 and 106,987,541.97 is: 147,634,705.31
Step by Step Solution
- Step 1: Write the proportion equation
190,635,566.51 : 263,062,644.16 = 106,987,541.97 : x - Step 2: Convert to fraction form
190,635,566.51/263,062,644.16 = 106,987,541.97/x - Step 3: Cross multiply
190,635,566.51x = 263,062,644.16 × 106,987,541.97 - Step 4: Simplify right side
190,635,566.51x = 28,144,425,682,807,176 - Step 5: Solve for x
x = 28,144,425,682,807,176/190,635,566.51 - Step 6: Final answer
x = 147,634,705.31
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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.