Finding the Fourth Proportional to 73,411,786.08, 101,305,946.16 and 40,371,933.60
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Solution
The fourth proportional to 73,411,786.08, 101,305,946.16 and 40,371,933.60 is: 55,711,993.26
Step by Step Solution
- Step 1: Write the proportion equation
73,411,786.08 : 101,305,946.16 = 40,371,933.60 : x - Step 2: Convert to fraction form
73,411,786.08/101,305,946.16 = 40,371,933.60/x - Step 3: Cross multiply
73,411,786.08x = 101,305,946.16 × 40,371,933.60 - Step 4: Simplify right side
73,411,786.08x = 4,089,916,931,656,695 - Step 5: Solve for x
x = 4,089,916,931,656,695/73,411,786.08 - Step 6: Final answer
x = 55,711,993.26
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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.