Finding the Fourth Proportional to 163,166,066.40, 244,677,278.46 and 86,471,125.68
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Solution
The fourth proportional to 163,166,066.40, 244,677,278.46 and 86,471,125.68 is: 129,668,626.35
Step by Step Solution
- Step 1: Write the proportion equation
163,166,066.40 : 244,677,278.46 = 86,471,125.68 : x - Step 2: Convert to fraction form
163,166,066.40/244,677,278.46 = 86,471,125.68/x - Step 3: Cross multiply
163,166,066.40x = 244,677,278.46 × 86,471,125.68 - Step 4: Simplify right side
163,166,066.40x = 21,157,519,696,755,020 - Step 5: Solve for x
x = 21,157,519,696,755,020/163,166,066.40 - Step 6: Final answer
x = 129,668,626.35
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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.