Finding the Fourth Proportional to 84,192,605, 126,288,907.60 and 20,367,197
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Solution
The fourth proportional to 84,192,605, 126,288,907.60 and 20,367,197 is: 30,550,795.52
Step by Step Solution
- Step 1: Write the proportion equation
84,192,605 : 126,288,907.60 = 20,367,197 : x - Step 2: Convert to fraction form
84,192,605/126,288,907.60 = 20,367,197/x - Step 3: Cross multiply
84,192,605x = 126,288,907.60 × 20,367,197 - Step 4: Simplify right side
84,192,605x = 2,572,151,060,003,997 - Step 5: Solve for x
x = 2,572,151,060,003,997/84,192,605 - Step 6: Final answer
x = 30,550,795.52
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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.