Finding the Fourth Proportional to 202,687,566.45, 303,952,747.98 and 69,715,138.66
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Solution
The fourth proportional to 202,687,566.45, 303,952,747.98 and 69,715,138.66 is: 104,545,672.65
Step by Step Solution
- Step 1: Write the proportion equation
202,687,566.45 : 303,952,747.98 = 69,715,138.66 : x - Step 2: Convert to fraction form
202,687,566.45/303,952,747.98 = 69,715,138.66/x - Step 3: Cross multiply
202,687,566.45x = 303,952,747.98 × 69,715,138.66 - Step 4: Simplify right side
202,687,566.45x = 21,190,107,971,513,736 - Step 5: Solve for x
x = 21,190,107,971,513,736/202,687,566.45 - Step 6: Final answer
x = 104,545,672.65
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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.