Finding the Fourth Proportional to 165,887,612.91, 228,925,049.36 and 92,548,770.03
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Solution
The fourth proportional to 165,887,612.91, 228,925,049.36 and 92,548,770.03 is: 127,717,382.72
Step by Step Solution
- Step 1: Write the proportion equation
165,887,612.91 : 228,925,049.36 = 92,548,770.03 : x - Step 2: Convert to fraction form
165,887,612.91/228,925,049.36 = 92,548,770.03/x - Step 3: Cross multiply
165,887,612.91x = 228,925,049.36 × 92,548,770.03 - Step 4: Simplify right side
165,887,612.91x = 21,186,731,746,862,296 - Step 5: Solve for x
x = 21,186,731,746,862,296/165,887,612.91 - Step 6: Final answer
x = 127,717,382.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.