Finding the Fourth Proportional to 186,392,678.64, 279,369,420.84 and 84,036,879.60
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Solution
The fourth proportional to 186,392,678.64, 279,369,420.84 and 84,036,879.60 is: 125,956,311.99
Step by Step Solution
- Step 1: Write the proportion equation
186,392,678.64 : 279,369,420.84 = 84,036,879.60 : x - Step 2: Convert to fraction form
186,392,678.64/279,369,420.84 = 84,036,879.60/x - Step 3: Cross multiply
186,392,678.64x = 279,369,420.84 × 84,036,879.60 - Step 4: Simplify right side
186,392,678.64x = 23,477,334,383,052,808 - Step 5: Solve for x
x = 23,477,334,383,052,808/186,392,678.64 - Step 6: Final answer
x = 125,956,311.99
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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.