Finding the Fourth Proportional to 186,551,014.36, 279,862,388.34 and 71,526,585.82
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Solution
The fourth proportional to 186,551,014.36, 279,862,388.34 and 71,526,585.82 is: 107,303,630.62
Step by Step Solution
- Step 1: Write the proportion equation
186,551,014.36 : 279,862,388.34 = 71,526,585.82 : x - Step 2: Convert to fraction form
186,551,014.36/279,862,388.34 = 71,526,585.82/x - Step 3: Cross multiply
186,551,014.36x = 279,862,388.34 × 71,526,585.82 - Step 4: Simplify right side
186,551,014.36x = 20,017,601,137,391,172 - Step 5: Solve for x
x = 20,017,601,137,391,172/186,551,014.36 - Step 6: Final answer
x = 107,303,630.62
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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.