Finding the Fourth Proportional to 138,338,355.20, 207,511,760.64 and 47,460,669.44
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Solution
The fourth proportional to 138,338,355.20, 207,511,760.64 and 47,460,669.44 is: 71,192,454.63
Step by Step Solution
- Step 1: Write the proportion equation
138,338,355.20 : 207,511,760.64 = 47,460,669.44 : x - Step 2: Convert to fraction form
138,338,355.20/207,511,760.64 = 47,460,669.44/x - Step 3: Cross multiply
138,338,355.20x = 207,511,760.64 × 47,460,669.44 - Step 4: Simplify right side
138,338,355.20x = 9,848,647,076,647,442 - Step 5: Solve for x
x = 9,848,647,076,647,442/138,338,355.20 - Step 6: Final answer
x = 71,192,454.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.