Finding the Fourth Proportional to 212,119,839.23, 292,691,650.64 and 119,282,418.23
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Solution
The fourth proportional to 212,119,839.23, 292,691,650.64 and 119,282,418.23 is: 164,590,771.00
Step by Step Solution
- Step 1: Write the proportion equation
212,119,839.23 : 292,691,650.64 = 119,282,418.23 : x - Step 2: Convert to fraction form
212,119,839.23/292,691,650.64 = 119,282,418.23/x - Step 3: Cross multiply
212,119,839.23x = 292,691,650.64 × 119,282,418.23 - Step 4: Simplify right side
212,119,839.23x = 34,912,967,882,009,652 - Step 5: Solve for x
x = 34,912,967,882,009,652/212,119,839.23 - Step 6: Final answer
x = 164,590,771.00
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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.