Finding the Fourth Proportional to 326,662,051.20, 450,787,954.77 and 177,984,394.08
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Solution
The fourth proportional to 326,662,051.20, 450,787,954.77 and 177,984,394.08 is: 245,615,371.28
Step by Step Solution
- Step 1: Write the proportion equation
326,662,051.20 : 450,787,954.77 = 177,984,394.08 : x - Step 2: Convert to fraction form
326,662,051.20/450,787,954.77 = 177,984,394.08/x - Step 3: Cross multiply
326,662,051.20x = 450,787,954.77 × 177,984,394.08 - Step 4: Simplify right side
326,662,051.20x = 80,233,220,988,300,896 - Step 5: Solve for x
x = 80,233,220,988,300,896/326,662,051.20 - Step 6: Final answer
x = 245,615,371.28
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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.