Finding the Fourth Proportional to 209,847,043.41, 314,115,536.99 and 154,577,189.84
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Solution
The fourth proportional to 209,847,043.41, 314,115,536.99 and 154,577,189.84 is: 231,383,279.00
Step by Step Solution
- Step 1: Write the proportion equation
209,847,043.41 : 314,115,536.99 = 154,577,189.84 : x - Step 2: Convert to fraction form
209,847,043.41/314,115,536.99 = 154,577,189.84/x - Step 3: Cross multiply
209,847,043.41x = 314,115,536.99 × 154,577,189.84 - Step 4: Simplify right side
209,847,043.41x = 48,555,096,991,812,640 - Step 5: Solve for x
x = 48,555,096,991,812,640/209,847,043.41 - Step 6: Final answer
x = 231,383,279.00
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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.