Finding the Fourth Proportional to 200,691,585.68, 300,948,402.09 and 107,295,894.05
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Solution
The fourth proportional to 200,691,585.68, 300,948,402.09 and 107,295,894.05 is: 160,896,271.54
Step by Step Solution
- Step 1: Write the proportion equation
200,691,585.68 : 300,948,402.09 = 107,295,894.05 : x - Step 2: Convert to fraction form
200,691,585.68/300,948,402.09 = 107,295,894.05/x - Step 3: Cross multiply
200,691,585.68x = 300,948,402.09 × 107,295,894.05 - Step 4: Simplify right side
200,691,585.68x = 32,290,527,863,660,696 - Step 5: Solve for x
x = 32,290,527,863,660,696/200,691,585.68 - Step 6: Final answer
x = 160,896,271.54
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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.