Finding the Fourth Proportional to 209,664,235.20, 314,496,352.80 and 107,627,563.20
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Solution
The fourth proportional to 209,664,235.20, 314,496,352.80 and 107,627,563.20 is: 161,441,344.80
Step by Step Solution
- Step 1: Write the proportion equation
209,664,235.20 : 314,496,352.80 = 107,627,563.20 : x - Step 2: Convert to fraction form
209,664,235.20/314,496,352.80 = 107,627,563.20/x - Step 3: Cross multiply
209,664,235.20x = 314,496,352.80 × 107,627,563.20 - Step 4: Simplify right side
209,664,235.20x = 33,848,476,087,151,500 - Step 5: Solve for x
x = 33,848,476,087,151,500/209,664,235.20 - Step 6: Final answer
x = 161,441,344.80
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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.