Finding the Fourth Proportional to 82,717,817.70, 124,076,726.55 and 22,133,543.70
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Solution
The fourth proportional to 82,717,817.70, 124,076,726.55 and 22,133,543.70 is: 33,200,315.55
Step by Step Solution
- Step 1: Write the proportion equation
82,717,817.70 : 124,076,726.55 = 22,133,543.70 : x - Step 2: Convert to fraction form
82,717,817.70/124,076,726.55 = 22,133,543.70/x - Step 3: Cross multiply
82,717,817.70x = 124,076,726.55 × 22,133,543.70 - Step 4: Simplify right side
82,717,817.70x = 2,746,257,649,247,375 - Step 5: Solve for x
x = 2,746,257,649,247,375/82,717,817.70 - Step 6: Final answer
x = 33,200,315.55
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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.