Finding the Fourth Proportional to 170,521,343.58, 255,672,042.87 and 66,901,021.23
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Solution
The fourth proportional to 170,521,343.58, 255,672,042.87 and 66,901,021.23 is: 100,308,386.09
Step by Step Solution
- Step 1: Write the proportion equation
170,521,343.58 : 255,672,042.87 = 66,901,021.23 : x - Step 2: Convert to fraction form
170,521,343.58/255,672,042.87 = 66,901,021.23/x - Step 3: Cross multiply
170,521,343.58x = 255,672,042.87 × 66,901,021.23 - Step 4: Simplify right side
170,521,343.58x = 17,104,720,768,609,014 - Step 5: Solve for x
x = 17,104,720,768,609,014/170,521,343.58 - Step 6: Final answer
x = 100,308,386.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.