Finding the Fourth Proportional to 99,644,714.70, 149,467,072.05 and 27,841,130.70
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Solution
The fourth proportional to 99,644,714.70, 149,467,072.05 and 27,841,130.70 is: 41,761,696.05
Step by Step Solution
- Step 1: Write the proportion equation
99,644,714.70 : 149,467,072.05 = 27,841,130.70 : x - Step 2: Convert to fraction form
99,644,714.70/149,467,072.05 = 27,841,130.70/x - Step 3: Cross multiply
99,644,714.70x = 149,467,072.05 × 27,841,130.70 - Step 4: Simplify right side
99,644,714.70x = 4,161,332,288,290,367 - Step 5: Solve for x
x = 4,161,332,288,290,367/99,644,714.70 - Step 6: Final answer
x = 41,761,696.05
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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.