Finding the Fourth Proportional to 221,948,081.80, 332,922,122.70 and 119,911,409.80
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Solution
The fourth proportional to 221,948,081.80, 332,922,122.70 and 119,911,409.80 is: 179,867,114.70
Step by Step Solution
- Step 1: Write the proportion equation
221,948,081.80 : 332,922,122.70 = 119,911,409.80 : x - Step 2: Convert to fraction form
221,948,081.80/332,922,122.70 = 119,911,409.80/x - Step 3: Cross multiply
221,948,081.80x = 332,922,122.70 × 119,911,409.80 - Step 4: Simplify right side
221,948,081.80x = 39,921,161,086,565,584 - Step 5: Solve for x
x = 39,921,161,086,565,584/221,948,081.80 - Step 6: Final answer
x = 179,867,114.70
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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.