Finding the Fourth Proportional to 68,313,128.60, 102,469,566.54 and 22,254,942.62
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Solution
The fourth proportional to 68,313,128.60, 102,469,566.54 and 22,254,942.62 is: 33,382,372.76
Step by Step Solution
- Step 1: Write the proportion equation
68,313,128.60 : 102,469,566.54 = 22,254,942.62 : x - Step 2: Convert to fraction form
68,313,128.60/102,469,566.54 = 22,254,942.62/x - Step 3: Cross multiply
68,313,128.60x = 102,469,566.54 × 22,254,942.62 - Step 4: Simplify right side
68,313,128.60x = 2,280,454,323,643,972 - Step 5: Solve for x
x = 2,280,454,323,643,972/68,313,128.60 - Step 6: Final answer
x = 33,382,372.76
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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.