Finding the Fourth Proportional to 209,953,857.70, 314,930,786.55 and 202,301,107.30
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Solution
The fourth proportional to 209,953,857.70, 314,930,786.55 and 202,301,107.30 is: 303,451,660.95
Step by Step Solution
- Step 1: Write the proportion equation
209,953,857.70 : 314,930,786.55 = 202,301,107.30 : x - Step 2: Convert to fraction form
209,953,857.70/314,930,786.55 = 202,301,107.30/x - Step 3: Cross multiply
209,953,857.70x = 314,930,786.55 × 202,301,107.30 - Step 4: Simplify right side
209,953,857.70x = 63,710,846,841,924,952 - Step 5: Solve for x
x = 63,710,846,841,924,952/209,953,857.70 - Step 6: Final answer
x = 303,451,660.95
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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.