Finding the Fourth Proportional to 58,757,072.20, 88,135,608.30 and 57,749,302.60
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Solution
The fourth proportional to 58,757,072.20, 88,135,608.30 and 57,749,302.60 is: 86,623,953.90
Step by Step Solution
- Step 1: Write the proportion equation
58,757,072.20 : 88,135,608.30 = 57,749,302.60 : x - Step 2: Convert to fraction form
58,757,072.20/88,135,608.30 = 57,749,302.60/x - Step 3: Cross multiply
58,757,072.20x = 88,135,608.30 × 57,749,302.60 - Step 4: Simplify right side
58,757,072.20x = 5,089,769,913,551,772 - Step 5: Solve for x
x = 5,089,769,913,551,772/58,757,072.20 - Step 6: Final answer
x = 86,623,953.90
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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.