Finding the Fourth Proportional to 230,299,135.47, 317,777,293.32 and 131,167,245.19
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Solution
The fourth proportional to 230,299,135.47, 317,777,293.32 and 131,167,245.19 is: 180,990,571.51
Step by Step Solution
- Step 1: Write the proportion equation
230,299,135.47 : 317,777,293.32 = 131,167,245.19 : x - Step 2: Convert to fraction form
230,299,135.47/317,777,293.32 = 131,167,245.19/x - Step 3: Cross multiply
230,299,135.47x = 317,777,293.32 × 131,167,245.19 - Step 4: Simplify right side
230,299,135.47x = 41,681,972,147,924,544 - Step 5: Solve for x
x = 41,681,972,147,924,544/230,299,135.47 - Step 6: Final answer
x = 180,990,571.51
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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.