Finding the Fourth Proportional to 207,253,730.68, 285,890,250.16 and 133,914,872.68
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Solution
The fourth proportional to 207,253,730.68, 285,890,250.16 and 133,914,872.68 is: 184,725,053.32
Step by Step Solution
- Step 1: Write the proportion equation
207,253,730.68 : 285,890,250.16 = 133,914,872.68 : x - Step 2: Convert to fraction form
207,253,730.68/285,890,250.16 = 133,914,872.68/x - Step 3: Cross multiply
207,253,730.68x = 285,890,250.16 × 133,914,872.68 - Step 4: Simplify right side
207,253,730.68x = 38,284,956,450,629,752 - Step 5: Solve for x
x = 38,284,956,450,629,752/207,253,730.68 - Step 6: Final answer
x = 184,725,053.32
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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.