Finding the Fourth Proportional to 79,323,157.98, 118,990,202.94 and 33,218,606.43
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Solution
The fourth proportional to 79,323,157.98, 118,990,202.94 and 33,218,606.43 is: 49,830,198.66
Step by Step Solution
- Step 1: Write the proportion equation
79,323,157.98 : 118,990,202.94 = 33,218,606.43 : x - Step 2: Convert to fraction form
79,323,157.98/118,990,202.94 = 33,218,606.43/x - Step 3: Cross multiply
79,323,157.98x = 118,990,202.94 × 33,218,606.43 - Step 4: Simplify right side
79,323,157.98x = 3,952,688,720,489,689 - Step 5: Solve for x
x = 3,952,688,720,489,689/79,323,157.98 - Step 6: Final answer
x = 49,830,198.66
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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.