Finding the Fourth Proportional to 186,086,495.40, 279,129,743.10 and 76,875,369.90
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Solution
The fourth proportional to 186,086,495.40, 279,129,743.10 and 76,875,369.90 is: 115,313,054.85
Step by Step Solution
- Step 1: Write the proportion equation
186,086,495.40 : 279,129,743.10 = 76,875,369.90 : x - Step 2: Convert to fraction form
186,086,495.40/279,129,743.10 = 76,875,369.90/x - Step 3: Cross multiply
186,086,495.40x = 279,129,743.10 × 76,875,369.90 - Step 4: Simplify right side
186,086,495.40x = 21,458,202,250,904,476 - Step 5: Solve for x
x = 21,458,202,250,904,476/186,086,495.40 - Step 6: Final answer
x = 115,313,054.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.