Finding the Fourth Proportional to 275,869,074.39, 380,791,573.99 and 164,394,871.36
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Solution
The fourth proportional to 275,869,074.39, 380,791,573.99 and 164,394,871.36 is: 226,919,896.55
Step by Step Solution
- Step 1: Write the proportion equation
275,869,074.39 : 380,791,573.99 = 164,394,871.36 : x - Step 2: Convert to fraction form
275,869,074.39/380,791,573.99 = 164,394,871.36/x - Step 3: Cross multiply
275,869,074.39x = 380,791,573.99 × 164,394,871.36 - Step 4: Simplify right side
275,869,074.39x = 62,600,181,822,760,600 - Step 5: Solve for x
x = 62,600,181,822,760,600/275,869,074.39 - Step 6: Final answer
x = 226,919,896.55
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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.