Finding the Fourth Proportional to 215,443,517.70, 323,165,276.55 and 149,686,551.30
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Solution
The fourth proportional to 215,443,517.70, 323,165,276.55 and 149,686,551.30 is: 224,529,826.95
Step by Step Solution
- Step 1: Write the proportion equation
215,443,517.70 : 323,165,276.55 = 149,686,551.30 : x - Step 2: Convert to fraction form
215,443,517.70/323,165,276.55 = 149,686,551.30/x - Step 3: Cross multiply
215,443,517.70x = 323,165,276.55 × 149,686,551.30 - Step 4: Simplify right side
215,443,517.70x = 48,373,495,746,680,264 - Step 5: Solve for x
x = 48,373,495,746,680,264/215,443,517.70 - Step 6: Final answer
x = 224,529,826.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.