Finding the Fourth Proportional to 46,992,148.79, 64,853,268.87 and 27,419,342.81
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Solution
The fourth proportional to 46,992,148.79, 64,853,268.87 and 27,419,342.81 is: 37,841,087.44
Step by Step Solution
- Step 1: Write the proportion equation
46,992,148.79 : 64,853,268.87 = 27,419,342.81 : x - Step 2: Convert to fraction form
46,992,148.79/64,853,268.87 = 27,419,342.81/x - Step 3: Cross multiply
46,992,148.79x = 64,853,268.87 × 27,419,342.81 - Step 4: Simplify right side
46,992,148.79x = 1,778,234,011,495,631.25 - Step 5: Solve for x
x = 1,778,234,011,495,631.25/46,992,148.79 - Step 6: Final answer
x = 37,841,087.44
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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.