Finding the Fourth Proportional to 79,291,288.33, 118,936,932.49 and 73,910,448.20
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Solution
The fourth proportional to 79,291,288.33, 118,936,932.49 and 73,910,448.20 is: 110,865,672.30
Step by Step Solution
- Step 1: Write the proportion equation
79,291,288.33 : 118,936,932.49 = 73,910,448.20 : x - Step 2: Convert to fraction form
79,291,288.33/118,936,932.49 = 73,910,448.20/x - Step 3: Cross multiply
79,291,288.33x = 118,936,932.49 × 73,910,448.20 - Step 4: Simplify right side
79,291,288.33x = 8,790,681,987,869,042 - Step 5: Solve for x
x = 8,790,681,987,869,042/79,291,288.33 - Step 6: Final answer
x = 110,865,672.30
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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.