Finding the Fourth Proportional to 217,092,765.07, 325,703,043.69 and 78,916,194.18
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Solution
The fourth proportional to 217,092,765.07, 325,703,043.69 and 78,916,194.18 is: 118,397,518.37
Step by Step Solution
- Step 1: Write the proportion equation
217,092,765.07 : 325,703,043.69 = 78,916,194.18 : x - Step 2: Convert to fraction form
217,092,765.07/325,703,043.69 = 78,916,194.18/x - Step 3: Cross multiply
217,092,765.07x = 325,703,043.69 × 78,916,194.18 - Step 4: Simplify right side
217,092,765.07x = 25,703,244,640,857,064 - Step 5: Solve for x
x = 25,703,244,640,857,064/217,092,765.07 - Step 6: Final answer
x = 118,397,518.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.