Finding the Fourth Proportional to 243,477,304.23, 364,987,338.11 and 81,806,177.19
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Solution
The fourth proportional to 243,477,304.23, 364,987,338.11 and 81,806,177.19 is: 122,632,452.12
Step by Step Solution
- Step 1: Write the proportion equation
243,477,304.23 : 364,987,338.11 = 81,806,177.19 : x - Step 2: Convert to fraction form
243,477,304.23/364,987,338.11 = 81,806,177.19/x - Step 3: Cross multiply
243,477,304.23x = 364,987,338.11 × 81,806,177.19 - Step 4: Simplify right side
243,477,304.23x = 29,858,218,853,124,068 - Step 5: Solve for x
x = 29,858,218,853,124,068/243,477,304.23 - Step 6: Final answer
x = 122,632,452.12
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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.