Finding the Fourth Proportional to 87,950,976.27, 121,321,920.81 and 54,853,764.67
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Solution
The fourth proportional to 87,950,976.27, 121,321,920.81 and 54,853,764.67 is: 75,666,744.99
Step by Step Solution
- Step 1: Write the proportion equation
87,950,976.27 : 121,321,920.81 = 54,853,764.67 : x - Step 2: Convert to fraction form
87,950,976.27/121,321,920.81 = 54,853,764.67/x - Step 3: Cross multiply
87,950,976.27x = 121,321,920.81 × 54,853,764.67 - Step 4: Simplify right side
87,950,976.27x = 6,654,964,093,424,116 - Step 5: Solve for x
x = 6,654,964,093,424,116/87,950,976.27 - Step 6: Final answer
x = 75,666,744.99
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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.