Finding the Fourth Proportional to 196,665,305.80, 294,997,958.70 and 94,628,633.80
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Solution
The fourth proportional to 196,665,305.80, 294,997,958.70 and 94,628,633.80 is: 141,942,950.70
Step by Step Solution
- Step 1: Write the proportion equation
196,665,305.80 : 294,997,958.70 = 94,628,633.80 : x - Step 2: Convert to fraction form
196,665,305.80/294,997,958.70 = 94,628,633.80/x - Step 3: Cross multiply
196,665,305.80x = 294,997,958.70 × 94,628,633.80 - Step 4: Simplify right side
196,665,305.80x = 27,915,253,805,569,824 - Step 5: Solve for x
x = 27,915,253,805,569,824/196,665,305.80 - Step 6: Final answer
x = 141,942,950.70
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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.