Finding the Fourth Proportional to 45,694,528.68, 68,505,905.79 and 31,273,876.98
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Solution
The fourth proportional to 45,694,528.68, 68,505,905.79 and 31,273,876.98 is: 46,886,253.82
Step by Step Solution
- Step 1: Write the proportion equation
45,694,528.68 : 68,505,905.79 = 31,273,876.98 : x - Step 2: Convert to fraction form
45,694,528.68/68,505,905.79 = 31,273,876.98/x - Step 3: Cross multiply
45,694,528.68x = 68,505,905.79 × 31,273,876.98 - Step 4: Simplify right side
45,694,528.68x = 2,142,445,270,079,930 - Step 5: Solve for x
x = 2,142,445,270,079,930/45,694,528.68 - Step 6: Final answer
x = 46,886,253.82
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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.