Finding the Fourth Proportional to 251,701,709.29, 347,365,816.40 and 152,586,634.18
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Solution
The fourth proportional to 251,701,709.29, 347,365,816.40 and 152,586,634.18 is: 210,580,138.30
Step by Step Solution
- Step 1: Write the proportion equation
251,701,709.29 : 347,365,816.40 = 152,586,634.18 : x - Step 2: Convert to fraction form
251,701,709.29/347,365,816.40 = 152,586,634.18/x - Step 3: Cross multiply
251,701,709.29x = 347,365,816.40 × 152,586,634.18 - Step 4: Simplify right side
251,701,709.29x = 53,003,380,753,663,840 - Step 5: Solve for x
x = 53,003,380,753,663,840/251,701,709.29 - Step 6: Final answer
x = 210,580,138.30
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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.