Finding the Fourth Proportional to 121,727,644.49, 182,619,460.88 and 39,849,163.85
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Solution
The fourth proportional to 121,727,644.49, 182,619,460.88 and 39,849,163.85 is: 59,782,910.03
Step by Step Solution
- Step 1: Write the proportion equation
121,727,644.49 : 182,619,460.88 = 39,849,163.85 : x - Step 2: Convert to fraction form
121,727,644.49/182,619,460.88 = 39,849,163.85/x - Step 3: Cross multiply
121,727,644.49x = 182,619,460.88 × 39,849,163.85 - Step 4: Simplify right side
121,727,644.49x = 7,277,232,818,805,785 - Step 5: Solve for x
x = 7,277,232,818,805,785/121,727,644.49 - Step 6: Final answer
x = 59,782,910.03
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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.