Finding the Fourth Proportional to 68,370,981.62, 94,351,976.37 and 37,433,115.38
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Solution
The fourth proportional to 68,370,981.62, 94,351,976.37 and 37,433,115.38 is: 51,657,711.12
Step by Step Solution
- Step 1: Write the proportion equation
68,370,981.62 : 94,351,976.37 = 37,433,115.38 : x - Step 2: Convert to fraction form
68,370,981.62/94,351,976.37 = 37,433,115.38/x - Step 3: Cross multiply
68,370,981.62x = 94,351,976.37 × 37,433,115.38 - Step 4: Simplify right side
68,370,981.62x = 3,531,888,417,789,244 - Step 5: Solve for x
x = 3,531,888,417,789,244/68,370,981.62 - Step 6: Final answer
x = 51,657,711.12
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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.