Finding the Fourth Proportional to 329,669,957.80, 494,504,936.70 and 84,026,117.80
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Solution
The fourth proportional to 329,669,957.80, 494,504,936.70 and 84,026,117.80 is: 126,039,176.70
Step by Step Solution
- Step 1: Write the proportion equation
329,669,957.80 : 494,504,936.70 = 84,026,117.80 : x - Step 2: Convert to fraction form
329,669,957.80/494,504,936.70 = 84,026,117.80/x - Step 3: Cross multiply
329,669,957.80x = 494,504,936.70 × 84,026,117.80 - Step 4: Simplify right side
329,669,957.80x = 41,551,330,063,835,744 - Step 5: Solve for x
x = 41,551,330,063,835,744/329,669,957.80 - Step 6: Final answer
x = 126,039,176.70
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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.