Finding the Fourth Proportional to 209,953,809.30, 314,930,713.95 and 181,232,375.70
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Solution
The fourth proportional to 209,953,809.30, 314,930,713.95 and 181,232,375.70 is: 271,848,563.55
Step by Step Solution
- Step 1: Write the proportion equation
209,953,809.30 : 314,930,713.95 = 181,232,375.70 : x - Step 2: Convert to fraction form
209,953,809.30/314,930,713.95 = 181,232,375.70/x - Step 3: Cross multiply
209,953,809.30x = 314,930,713.95 × 181,232,375.70 - Step 4: Simplify right side
209,953,809.30x = 57,075,641,470,055,624 - Step 5: Solve for x
x = 57,075,641,470,055,624/209,953,809.30 - Step 6: Final answer
x = 271,848,563.55
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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.