Finding the Fourth Proportional to 209,223,486.65, 313,880,630.72 and 63,653,264.84
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Solution
The fourth proportional to 209,223,486.65, 313,880,630.72 and 63,653,264.84 is: 95,493,709.79
Step by Step Solution
- Step 1: Write the proportion equation
209,223,486.65 : 313,880,630.72 = 63,653,264.84 : x - Step 2: Convert to fraction form
209,223,486.65/313,880,630.72 = 63,653,264.84/x - Step 3: Cross multiply
209,223,486.65x = 313,880,630.72 × 63,653,264.84 - Step 4: Simplify right side
209,223,486.65x = 19,979,526,915,366,404 - Step 5: Solve for x
x = 19,979,526,915,366,404/209,223,486.65 - Step 6: Final answer
x = 95,493,709.79
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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.