Finding the Fourth Proportional to 249,839,593.36, 344,789,413.23 and 138,330,436.30
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Solution
The fourth proportional to 249,839,593.36, 344,789,413.23 and 138,330,436.30 is: 190,901,967.63
Step by Step Solution
- Step 1: Write the proportion equation
249,839,593.36 : 344,789,413.23 = 138,330,436.30 : x - Step 2: Convert to fraction form
249,839,593.36/344,789,413.23 = 138,330,436.30/x - Step 3: Cross multiply
249,839,593.36x = 344,789,413.23 × 138,330,436.30 - Step 4: Simplify right side
249,839,593.36x = 47,694,869,963,726,896 - Step 5: Solve for x
x = 47,694,869,963,726,896/249,839,593.36 - Step 6: Final answer
x = 190,901,967.63
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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.