Finding the Fourth Proportional to 116,503,174.91, 160,778,242.84 and 63,582,780.19
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Solution
The fourth proportional to 116,503,174.91, 160,778,242.84 and 63,582,780.19 is: 87,746,344.10
Step by Step Solution
- Step 1: Write the proportion equation
116,503,174.91 : 160,778,242.84 = 63,582,780.19 : x - Step 2: Convert to fraction form
116,503,174.91/160,778,242.84 = 63,582,780.19/x - Step 3: Cross multiply
116,503,174.91x = 160,778,242.84 × 63,582,780.19 - Step 4: Simplify right side
116,503,174.91x = 10,222,727,673,830,162 - Step 5: Solve for x
x = 10,222,727,673,830,162/116,503,174.91 - Step 6: Final answer
x = 87,746,344.10
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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.