Finding the Fourth Proportional to 66,083,004.36, 91,189,193.01 and 38,207,504.79
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Solution
The fourth proportional to 66,083,004.36, 91,189,193.01 and 38,207,504.79 is: 52,723,261.64
Step by Step Solution
- Step 1: Write the proportion equation
66,083,004.36 : 91,189,193.01 = 38,207,504.79 : x - Step 2: Convert to fraction form
66,083,004.36/91,189,193.01 = 38,207,504.79/x - Step 3: Cross multiply
66,083,004.36x = 91,189,193.01 × 38,207,504.79 - Step 4: Simplify right side
66,083,004.36x = 3,484,111,528,582,531 - Step 5: Solve for x
x = 3,484,111,528,582,531/66,083,004.36 - Step 6: Final answer
x = 52,723,261.64
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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.