Finding the Fourth Proportional to 201,204,221.70, 301,806,332.55 and 71,816,052.90
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Solution
The fourth proportional to 201,204,221.70, 301,806,332.55 and 71,816,052.90 is: 107,724,079.35
Step by Step Solution
- Step 1: Write the proportion equation
201,204,221.70 : 301,806,332.55 = 71,816,052.90 : x - Step 2: Convert to fraction form
201,204,221.70/301,806,332.55 = 71,816,052.90/x - Step 3: Cross multiply
201,204,221.70x = 301,806,332.55 × 71,816,052.90 - Step 4: Simplify right side
201,204,221.70x = 21,674,539,543,965,796 - Step 5: Solve for x
x = 21,674,539,543,965,796/201,204,221.70 - Step 6: Final answer
x = 107,724,079.35
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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.