Finding the Fourth Proportional to 81,097,768.25, 121,652,326.64 and 40,146,211.99
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Solution
The fourth proportional to 81,097,768.25, 121,652,326.64 and 40,146,211.99 is: 60,222,126.94
Step by Step Solution
- Step 1: Write the proportion equation
81,097,768.25 : 121,652,326.64 = 40,146,211.99 : x - Step 2: Convert to fraction form
81,097,768.25/121,652,326.64 = 40,146,211.99/x - Step 3: Cross multiply
81,097,768.25x = 121,652,326.64 × 40,146,211.99 - Step 4: Simplify right side
81,097,768.25x = 4,883,880,094,366,165 - Step 5: Solve for x
x = 4,883,880,094,366,165/81,097,768.25 - Step 6: Final answer
x = 60,222,126.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.