Finding the Fourth Proportional to 82,432,977.34, 123,649,893.70 and 48,330,409.18
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Solution
The fourth proportional to 82,432,977.34, 123,649,893.70 and 48,330,409.18 is: 72,495,864.52
Step by Step Solution
- Step 1: Write the proportion equation
82,432,977.34 : 123,649,893.70 = 48,330,409.18 : x - Step 2: Convert to fraction form
82,432,977.34/123,649,893.70 = 48,330,409.18/x - Step 3: Cross multiply
82,432,977.34x = 123,649,893.70 × 48,330,409.18 - Step 4: Simplify right side
82,432,977.34x = 5,976,049,957,584,504 - Step 5: Solve for x
x = 5,976,049,957,584,504/82,432,977.34 - Step 6: Final answer
x = 72,495,864.52
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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.