Finding the Fourth Proportional to 209,302,690.74, 313,982,767.09 and 71,091,193.11
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Solution
The fourth proportional to 209,302,690.74, 313,982,767.09 and 71,091,193.11 is: 106,646,548.35
Step by Step Solution
- Step 1: Write the proportion equation
209,302,690.74 : 313,982,767.09 = 71,091,193.11 : x - Step 2: Convert to fraction form
209,302,690.74/313,982,767.09 = 71,091,193.11/x - Step 3: Cross multiply
209,302,690.74x = 313,982,767.09 × 71,091,193.11 - Step 4: Simplify right side
209,302,690.74x = 22,321,409,528,407,340 - Step 5: Solve for x
x = 22,321,409,528,407,340/209,302,690.74 - Step 6: Final answer
x = 106,646,548.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.