Finding the Fourth Proportional to 66,967,203.12, 92,393,891 and 38,699,277.78
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Solution
The fourth proportional to 66,967,203.12, 92,393,891 and 38,699,277.78 is: 53,392,954.86
Step by Step Solution
- Step 1: Write the proportion equation
66,967,203.12 : 92,393,891 = 38,699,277.78 : x - Step 2: Convert to fraction form
66,967,203.12/92,393,891 = 38,699,277.78/x - Step 3: Cross multiply
66,967,203.12x = 92,393,891 × 38,699,277.78 - Step 4: Simplify right side
66,967,203.12x = 3,575,576,852,984,042 - Step 5: Solve for x
x = 3,575,576,852,984,042/66,967,203.12 - Step 6: Final answer
x = 53,392,954.86
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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.