Finding the Fourth Proportional to 209,065,236.48, 313,669,751.04 and 122,875,752.96
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Solution
The fourth proportional to 209,065,236.48, 313,669,751.04 and 122,875,752.96 is: 184,355,885.70
Step by Step Solution
- Step 1: Write the proportion equation
209,065,236.48 : 313,669,751.04 = 122,875,752.96 : x - Step 2: Convert to fraction form
209,065,236.48/313,669,751.04 = 122,875,752.96/x - Step 3: Cross multiply
209,065,236.48x = 313,669,751.04 × 122,875,752.96 - Step 4: Simplify right side
209,065,236.48x = 38,542,406,839,815,744 - Step 5: Solve for x
x = 38,542,406,839,815,744/209,065,236.48 - Step 6: Final answer
x = 184,355,885.70
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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.