Finding the Fourth Proportional to 248,062,136.34, 342,330,100.96 and 135,034,877.68
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Solution
The fourth proportional to 248,062,136.34, 342,330,100.96 and 135,034,877.68 is: 186,350,500.69
Step by Step Solution
- Step 1: Write the proportion equation
248,062,136.34 : 342,330,100.96 = 135,034,877.68 : x - Step 2: Convert to fraction form
248,062,136.34/342,330,100.96 = 135,034,877.68/x - Step 3: Cross multiply
248,062,136.34x = 342,330,100.96 × 135,034,877.68 - Step 4: Simplify right side
248,062,136.34x = 46,226,503,309,315,648 - Step 5: Solve for x
x = 46,226,503,309,315,648/248,062,136.34 - Step 6: Final answer
x = 186,350,500.69
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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.