Finding the Fourth Proportional to 154,341,684.36, 212,983,702.56 and 91,620,463.50
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Solution
The fourth proportional to 154,341,684.36, 212,983,702.56 and 91,620,463.50 is: 126,431,596.41
Step by Step Solution
- Step 1: Write the proportion equation
154,341,684.36 : 212,983,702.56 = 91,620,463.50 : x - Step 2: Convert to fraction form
154,341,684.36/212,983,702.56 = 91,620,463.50/x - Step 3: Cross multiply
154,341,684.36x = 212,983,702.56 × 91,620,463.50 - Step 4: Simplify right side
154,341,684.36x = 19,513,665,546,493,336 - Step 5: Solve for x
x = 19,513,665,546,493,336/154,341,684.36 - Step 6: Final answer
x = 126,431,596.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.