Finding the Fourth Proportional to 66,192,649.80, 99,288,974.70 and 17,670,409.80
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Solution
The fourth proportional to 66,192,649.80, 99,288,974.70 and 17,670,409.80 is: 26,505,614.70
Step by Step Solution
- Step 1: Write the proportion equation
66,192,649.80 : 99,288,974.70 = 17,670,409.80 : x - Step 2: Convert to fraction form
66,192,649.80/99,288,974.70 = 17,670,409.80/x - Step 3: Cross multiply
66,192,649.80x = 99,288,974.70 × 17,670,409.80 - Step 4: Simplify right side
66,192,649.80x = 1,754,476,871,570,832.25 - Step 5: Solve for x
x = 1,754,476,871,570,832.25/66,192,649.80 - Step 6: Final answer
x = 26,505,614.70
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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.