Finding the Fourth Proportional to 308,110,323.10, 425,235,846.09 and 190,673,474.98
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Solution
The fourth proportional to 308,110,323.10, 425,235,846.09 and 190,673,474.98 is: 263,156,377.38
Step by Step Solution
- Step 1: Write the proportion equation
308,110,323.10 : 425,235,846.09 = 190,673,474.98 : x - Step 2: Convert to fraction form
308,110,323.10/425,235,846.09 = 190,673,474.98/x - Step 3: Cross multiply
308,110,323.10x = 425,235,846.09 × 190,673,474.98 - Step 4: Simplify right side
308,110,323.10x = 81,081,196,460,040,736 - Step 5: Solve for x
x = 81,081,196,460,040,736/308,110,323.10 - Step 6: Final answer
x = 263,156,377.38
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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.