Finding the Fourth Proportional to 91,407,249.50, 137,121,278.57 and 33,142,366.38
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Solution
The fourth proportional to 91,407,249.50, 137,121,278.57 and 33,142,366.38 is: 49,717,321.96
Step by Step Solution
- Step 1: Write the proportion equation
91,407,249.50 : 137,121,278.57 = 33,142,366.38 : x - Step 2: Convert to fraction form
91,407,249.50/137,121,278.57 = 33,142,366.38/x - Step 3: Cross multiply
91,407,249.50x = 137,121,278.57 × 33,142,366.38 - Step 4: Simplify right side
91,407,249.50x = 4,544,523,652,695,270 - Step 5: Solve for x
x = 4,544,523,652,695,270/91,407,249.50 - Step 6: Final answer
x = 49,717,321.96
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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.