Finding the Fourth Proportional to 248,062,135.34, 342,330,099.58 and 135,034,876.68
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Solution
The fourth proportional to 248,062,135.34, 342,330,099.58 and 135,034,876.68 is: 186,350,499.31
Step by Step Solution
- Step 1: Write the proportion equation
248,062,135.34 : 342,330,099.58 = 135,034,876.68 : x - Step 2: Convert to fraction form
248,062,135.34/342,330,099.58 = 135,034,876.68/x - Step 3: Cross multiply
248,062,135.34x = 342,330,099.58 × 135,034,876.68 - Step 4: Simplify right side
248,062,135.34x = 46,226,502,780,637,416 - Step 5: Solve for x
x = 46,226,502,780,637,416/248,062,135.34 - Step 6: Final answer
x = 186,350,499.31
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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.