Finding the Fourth Proportional to 281,445,115.92, 422,220,707.82 and 106,620,513.09
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Solution
The fourth proportional to 281,445,115.92, 422,220,707.82 and 106,620,513.09 is: 159,950,860.61
Step by Step Solution
- Step 1: Write the proportion equation
281,445,115.92 : 422,220,707.82 = 106,620,513.09 : x - Step 2: Convert to fraction form
281,445,115.92/422,220,707.82 = 106,620,513.09/x - Step 3: Cross multiply
281,445,115.92x = 422,220,707.82 × 106,620,513.09 - Step 4: Simplify right side
281,445,115.92x = 45,017,388,504,991,376 - Step 5: Solve for x
x = 45,017,388,504,991,376/281,445,115.92 - Step 6: Final answer
x = 159,950,860.61
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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.