Finding the Fourth Proportional to 345,161,750.78, 517,744,561.66 and 115,130,203.94
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Solution
The fourth proportional to 345,161,750.78, 517,744,561.66 and 115,130,203.94 is: 172,695,951.50
Step by Step Solution
- Step 1: Write the proportion equation
345,161,750.78 : 517,744,561.66 = 115,130,203.94 : x - Step 2: Convert to fraction form
345,161,750.78/517,744,561.66 = 115,130,203.94/x - Step 3: Cross multiply
345,161,750.78x = 517,744,561.66 × 115,130,203.94 - Step 4: Simplify right side
345,161,750.78x = 59,608,036,972,741,704 - Step 5: Solve for x
x = 59,608,036,972,741,704/345,161,750.78 - Step 6: Final answer
x = 172,695,951.50
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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.