Finding the Fourth Proportional to 79,191,548.13, 118,787,543.63 and 24,612,114.56
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Solution
The fourth proportional to 79,191,548.13, 118,787,543.63 and 24,612,114.56 is: 36,918,240.66
Step by Step Solution
- Step 1: Write the proportion equation
79,191,548.13 : 118,787,543.63 = 24,612,114.56 : x - Step 2: Convert to fraction form
79,191,548.13/118,787,543.63 = 24,612,114.56/x - Step 3: Cross multiply
79,191,548.13x = 118,787,543.63 × 24,612,114.56 - Step 4: Simplify right side
79,191,548.13x = 2,923,612,632,122,558 - Step 5: Solve for x
x = 2,923,612,632,122,558/79,191,548.13 - Step 6: Final answer
x = 36,918,240.66
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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.