Finding the Fourth Proportional to 82,728,208.70, 124,092,313.05 and 22,143,934.70
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Solution
The fourth proportional to 82,728,208.70, 124,092,313.05 and 22,143,934.70 is: 33,215,902.05
Step by Step Solution
- Step 1: Write the proportion equation
82,728,208.70 : 124,092,313.05 = 22,143,934.70 : x - Step 2: Convert to fraction form
82,728,208.70/124,092,313.05 = 22,143,934.70/x - Step 3: Cross multiply
82,728,208.70x = 124,092,313.05 × 22,143,934.70 - Step 4: Simplify right side
82,728,208.70x = 2,747,892,076,951,157.50 - Step 5: Solve for x
x = 2,747,892,076,951,157.50/82,728,208.70 - Step 6: Final answer
x = 33,215,902.05
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1.5x scale
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.