Finding the Fourth Proportional to 165,207,512.92, 227,986,484.76 and 90,873,728.96
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Solution
The fourth proportional to 165,207,512.92, 227,986,484.76 and 90,873,728.96 is: 125,405,810.28
Step by Step Solution
- Step 1: Write the proportion equation
165,207,512.92 : 227,986,484.76 = 90,873,728.96 : x - Step 2: Convert to fraction form
165,207,512.92/227,986,484.76 = 90,873,728.96/x - Step 3: Cross multiply
165,207,512.92x = 227,986,484.76 × 90,873,728.96 - Step 4: Simplify right side
165,207,512.92x = 20,717,982,022,623,408 - Step 5: Solve for x
x = 20,717,982,022,623,408/165,207,512.92 - Step 6: Final answer
x = 125,405,810.28
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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.