Finding the Fourth Proportional to 206,864,434.10, 310,296,651.15 and 91,726,757.30
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Solution
The fourth proportional to 206,864,434.10, 310,296,651.15 and 91,726,757.30 is: 137,590,135.95
Step by Step Solution
- Step 1: Write the proportion equation
206,864,434.10 : 310,296,651.15 = 91,726,757.30 : x - Step 2: Convert to fraction form
206,864,434.10/310,296,651.15 = 91,726,757.30/x - Step 3: Cross multiply
206,864,434.10x = 310,296,651.15 × 91,726,757.30 - Step 4: Simplify right side
206,864,434.10x = 28,462,505,611,038,812 - Step 5: Solve for x
x = 28,462,505,611,038,812/206,864,434.10 - Step 6: Final answer
x = 137,590,135.95
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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.