Finding the Fourth Proportional to 219,912,245.62, 303,470,584.32 and 122,133,400.18
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Solution
The fourth proportional to 219,912,245.62, 303,470,584.32 and 122,133,400.18 is: 168,539,474.52
Step by Step Solution
- Step 1: Write the proportion equation
219,912,245.62 : 303,470,584.32 = 122,133,400.18 : x - Step 2: Convert to fraction form
219,912,245.62/303,470,584.32 = 122,133,400.18/x - Step 3: Cross multiply
219,912,245.62x = 303,470,584.32 × 122,133,400.18 - Step 4: Simplify right side
219,912,245.62x = 37,063,894,317,612,992 - Step 5: Solve for x
x = 37,063,894,317,612,992/219,912,245.62 - Step 6: Final answer
x = 168,539,474.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.