Finding the Fourth Proportional to 166,861,133.33, 230,247,196.11 and 91,487,628.09
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Solution
The fourth proportional to 166,861,133.33, 230,247,196.11 and 91,487,628.09 is: 126,241,320.71
Step by Step Solution
- Step 1: Write the proportion equation
166,861,133.33 : 230,247,196.11 = 91,487,628.09 : x - Step 2: Convert to fraction form
166,861,133.33/230,247,196.11 = 91,487,628.09/x - Step 3: Cross multiply
166,861,133.33x = 230,247,196.11 × 91,487,628.09 - Step 4: Simplify right side
166,861,133.33x = 21,064,769,846,476,976 - Step 5: Solve for x
x = 21,064,769,846,476,976/166,861,133.33 - Step 6: Final answer
x = 126,241,320.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.