Finding the Fourth Proportional to 170,006,721.70, 238,462,906.70 and 170,006,721.70
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Solution
The fourth proportional to 170,006,721.70, 238,462,906.70 and 170,006,721.70 is: 238,462,906.70
Step by Step Solution
- Step 1: Write the proportion equation
170,006,721.70 : 238,462,906.70 = 170,006,721.70 : x - Step 2: Convert to fraction form
170,006,721.70/238,462,906.70 = 170,006,721.70/x - Step 3: Cross multiply
170,006,721.70x = 238,462,906.70 × 170,006,721.70 - Step 4: Simplify right side
170,006,721.70x = 40,540,297,015,119,960 - Step 5: Solve for x
x = 40,540,297,015,119,960/170,006,721.70 - Step 6: Final answer
x = 238,462,906.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.