Finding the Fourth Proportional to 202,630,906.63, 279,630,890.29 and 109,811,414.48
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Solution
The fourth proportional to 202,630,906.63, 279,630,890.29 and 109,811,414.48 is: 151,539,881.57
Step by Step Solution
- Step 1: Write the proportion equation
202,630,906.63 : 279,630,890.29 = 109,811,414.48 : x - Step 2: Convert to fraction form
202,630,906.63/279,630,890.29 = 109,811,414.48/x - Step 3: Cross multiply
202,630,906.63x = 279,630,890.29 × 109,811,414.48 - Step 4: Simplify right side
202,630,906.63x = 30,706,663,593,476,036 - Step 5: Solve for x
x = 30,706,663,593,476,036/202,630,906.63 - Step 6: Final answer
x = 151,539,881.57
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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.