Finding the Fourth Proportional to 73,865,091.42, 101,939,103.99 and 40,824,629.82
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Solution
The fourth proportional to 73,865,091.42, 101,939,103.99 and 40,824,629.82 is: 56,340,906.17
Step by Step Solution
- Step 1: Write the proportion equation
73,865,091.42 : 101,939,103.99 = 40,824,629.82 : x - Step 2: Convert to fraction form
73,865,091.42/101,939,103.99 = 40,824,629.82/x - Step 3: Cross multiply
73,865,091.42x = 101,939,103.99 × 40,824,629.82 - Step 4: Simplify right side
73,865,091.42x = 4,161,626,184,574,235 - Step 5: Solve for x
x = 4,161,626,184,574,235/73,865,091.42 - Step 6: Final answer
x = 56,340,906.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.