Finding the Fourth Proportional to 170,914,369.68, 235,861,511.04 and 92,599,869.60
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Solution
The fourth proportional to 170,914,369.68, 235,861,511.04 and 92,599,869.60 is: 127,787,647.15
Step by Step Solution
- Step 1: Write the proportion equation
170,914,369.68 : 235,861,511.04 = 92,599,869.60 : x - Step 2: Convert to fraction form
170,914,369.68/235,861,511.04 = 92,599,869.60/x - Step 3: Cross multiply
170,914,369.68x = 235,861,511.04 × 92,599,869.60 - Step 4: Simplify right side
170,914,369.68x = 21,840,745,165,962,960 - Step 5: Solve for x
x = 21,840,745,165,962,960/170,914,369.68 - Step 6: Final answer
x = 127,787,647.15
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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.