Finding the Fourth Proportional to 207,253,708.68, 285,890,219.82 and 133,914,850.68
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Solution
The fourth proportional to 207,253,708.68, 285,890,219.82 and 133,914,850.68 is: 184,725,022.98
Step by Step Solution
- Step 1: Write the proportion equation
207,253,708.68 : 285,890,219.82 = 133,914,850.68 : x - Step 2: Convert to fraction form
207,253,708.68/285,890,219.82 = 133,914,850.68/x - Step 3: Cross multiply
207,253,708.68x = 285,890,219.82 × 133,914,850.68 - Step 4: Simplify right side
207,253,708.68x = 38,284,946,098,067,680 - Step 5: Solve for x
x = 38,284,946,098,067,680/207,253,708.68 - Step 6: Final answer
x = 184,725,022.98
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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.