Finding the Fourth Proportional to 166,657,968.88, 229,989,836.28 and 92,319,668.08
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Solution
The fourth proportional to 166,657,968.88, 229,989,836.28 and 92,319,668.08 is: 127,402,160.78
Step by Step Solution
- Step 1: Write the proportion equation
166,657,968.88 : 229,989,836.28 = 92,319,668.08 : x - Step 2: Convert to fraction form
166,657,968.88/229,989,836.28 = 92,319,668.08/x - Step 3: Cross multiply
166,657,968.88x = 229,989,836.28 × 92,319,668.08 - Step 4: Simplify right side
166,657,968.88x = 21,232,585,347,143,140 - Step 5: Solve for x
x = 21,232,585,347,143,140/166,657,968.88 - Step 6: Final answer
x = 127,402,160.78
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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.