Finding the Fourth Proportional to 249,253,343.04, 373,545,813.69 and 193,987,910.82
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Solution
The fourth proportional to 249,253,343.04, 373,545,813.69 and 193,987,910.82 is: 290,721,765.69
Step by Step Solution
- Step 1: Write the proportion equation
249,253,343.04 : 373,545,813.69 = 193,987,910.82 : x - Step 2: Convert to fraction form
249,253,343.04/373,545,813.69 = 193,987,910.82/x - Step 3: Cross multiply
249,253,343.04x = 373,545,813.69 × 193,987,910.82 - Step 4: Simplify right side
249,253,343.04x = 72,463,371,993,280,048 - Step 5: Solve for x
x = 72,463,371,993,280,048/249,253,343.04 - Step 6: Final answer
x = 290,721,765.69
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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.