Finding the Fourth Proportional to 212,323,692.71, 292,855,761.41 and 141,723,707.09
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Solution
The fourth proportional to 212,323,692.71, 292,855,761.41 and 141,723,707.09 is: 195,477,968.66
Step by Step Solution
- Step 1: Write the proportion equation
212,323,692.71 : 292,855,761.41 = 141,723,707.09 : x - Step 2: Convert to fraction form
212,323,692.71/292,855,761.41 = 141,723,707.09/x - Step 3: Cross multiply
212,323,692.71x = 292,855,761.41 × 141,723,707.09 - Step 4: Simplify right side
212,323,692.71x = 41,504,604,147,516,864 - Step 5: Solve for x
x = 41,504,604,147,516,864/212,323,692.71 - Step 6: Final answer
x = 195,477,968.66
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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.