Finding the Fourth Proportional to 69,397,936.18, 95,812,696.69 and 44,661,112.70
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Solution
The fourth proportional to 69,397,936.18, 95,812,696.69 and 44,661,112.70 is: 61,660,358.80
Step by Step Solution
- Step 1: Write the proportion equation
69,397,936.18 : 95,812,696.69 = 44,661,112.70 : x - Step 2: Convert to fraction form
69,397,936.18/95,812,696.69 = 44,661,112.70/x - Step 3: Cross multiply
69,397,936.18x = 95,812,696.69 × 44,661,112.70 - Step 4: Simplify right side
69,397,936.18x = 4,279,101,644,963,007 - Step 5: Solve for x
x = 4,279,101,644,963,007/69,397,936.18 - Step 6: Final answer
x = 61,660,358.80
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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.