Finding the Fourth Proportional to 91,882,078.40, 126,791,555.04 and 50,626,662.08
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Solution
The fourth proportional to 91,882,078.40, 126,791,555.04 and 50,626,662.08 is: 69,861,645.75
Step by Step Solution
- Step 1: Write the proportion equation
91,882,078.40 : 126,791,555.04 = 50,626,662.08 : x - Step 2: Convert to fraction form
91,882,078.40/126,791,555.04 = 50,626,662.08/x - Step 3: Cross multiply
91,882,078.40x = 126,791,555.04 × 50,626,662.08 - Step 4: Simplify right side
91,882,078.40x = 6,419,033,211,607,801 - Step 5: Solve for x
x = 6,419,033,211,607,801/91,882,078.40 - Step 6: Final answer
x = 69,861,645.75
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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.