Finding the Fourth Proportional to 187,467,268.82, 281,201,838.17 and 76,863,351.92
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Solution
The fourth proportional to 187,467,268.82, 281,201,838.17 and 76,863,351.92 is: 115,295,411.21
Step by Step Solution
- Step 1: Write the proportion equation
187,467,268.82 : 281,201,838.17 = 76,863,351.92 : x - Step 2: Convert to fraction form
187,467,268.82/281,201,838.17 = 76,863,351.92/x - Step 3: Cross multiply
187,467,268.82x = 281,201,838.17 × 76,863,351.92 - Step 4: Simplify right side
187,467,268.82x = 21,614,115,846,021,276 - Step 5: Solve for x
x = 21,614,115,846,021,276/187,467,268.82 - Step 6: Final answer
x = 115,295,411.21
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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.