Finding the Fourth Proportional to 281,331,062.26, 421,958,284.33 and 74,052,115.50
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Solution
The fourth proportional to 281,331,062.26, 421,958,284.33 and 74,052,115.50 is: 111,068,089.51
Step by Step Solution
- Step 1: Write the proportion equation
281,331,062.26 : 421,958,284.33 = 74,052,115.50 : x - Step 2: Convert to fraction form
281,331,062.26/421,958,284.33 = 74,052,115.50/x - Step 3: Cross multiply
281,331,062.26x = 421,958,284.33 × 74,052,115.50 - Step 4: Simplify right side
281,331,062.26x = 31,246,903,605,277,208 - Step 5: Solve for x
x = 31,246,903,605,277,208/281,331,062.26 - Step 6: Final answer
x = 111,068,089.51
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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.