Finding the Fourth Proportional to 164,772,473.09, 227,396,641.68 and 91,433,615.09
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Solution
The fourth proportional to 164,772,473.09, 227,396,641.68 and 91,433,615.09 is: 126,184,286.84
Step by Step Solution
- Step 1: Write the proportion equation
164,772,473.09 : 227,396,641.68 = 91,433,615.09 : x - Step 2: Convert to fraction form
164,772,473.09/227,396,641.68 = 91,433,615.09/x - Step 3: Cross multiply
164,772,473.09x = 227,396,641.68 × 91,433,615.09 - Step 4: Simplify right side
164,772,473.09x = 20,791,697,006,990,788 - Step 5: Solve for x
x = 20,791,697,006,990,788/164,772,473.09 - Step 6: Final answer
x = 126,184,286.84
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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.