Finding the Fourth Proportional to 324,119,043.36, 486,255,909.99 and 105,769,791.68
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Solution
The fourth proportional to 324,119,043.36, 486,255,909.99 and 105,769,791.68 is: 158,679,927.50
Step by Step Solution
- Step 1: Write the proportion equation
324,119,043.36 : 486,255,909.99 = 105,769,791.68 : x - Step 2: Convert to fraction form
324,119,043.36/486,255,909.99 = 105,769,791.68/x - Step 3: Cross multiply
324,119,043.36x = 486,255,909.99 × 105,769,791.68 - Step 4: Simplify right side
324,119,043.36x = 51,431,186,302,282,288 - Step 5: Solve for x
x = 51,431,186,302,282,288/324,119,043.36 - Step 6: Final answer
x = 158,679,927.50
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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.