Finding the Fourth Proportional to 82,917,671.55, 124,394,703.16 and 25,414,268.19
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Solution
The fourth proportional to 82,917,671.55, 124,394,703.16 and 25,414,268.19 is: 38,126,979.31
Step by Step Solution
- Step 1: Write the proportion equation
82,917,671.55 : 124,394,703.16 = 25,414,268.19 : x - Step 2: Convert to fraction form
82,917,671.55/124,394,703.16 = 25,414,268.19/x - Step 3: Cross multiply
82,917,671.55x = 124,394,703.16 × 25,414,268.19 - Step 4: Simplify right side
82,917,671.55x = 3,161,400,347,523,680.50 - Step 5: Solve for x
x = 3,161,400,347,523,680.50/82,917,671.55 - Step 6: Final answer
x = 38,126,979.31
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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.