Finding the Fourth Proportional to 186,731,088.24, 280,110,084.84 and 71,715,630.72
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Solution
The fourth proportional to 186,731,088.24, 280,110,084.84 and 71,715,630.72 is: 107,578,612.62
Step by Step Solution
- Step 1: Write the proportion equation
186,731,088.24 : 280,110,084.84 = 71,715,630.72 : x - Step 2: Convert to fraction form
186,731,088.24/280,110,084.84 = 71,715,630.72/x - Step 3: Cross multiply
186,731,088.24x = 280,110,084.84 × 71,715,630.72 - Step 4: Simplify right side
186,731,088.24x = 20,088,271,405,333,308 - Step 5: Solve for x
x = 20,088,271,405,333,308/186,731,088.24 - Step 6: Final answer
x = 107,578,612.62
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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.