Finding the Fourth Proportional to 75,260,791.58, 103,904,414.35 and 47,407,378.28
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Solution
The fourth proportional to 75,260,791.58, 103,904,414.35 and 47,407,378.28 is: 65,450,226.77
Step by Step Solution
- Step 1: Write the proportion equation
75,260,791.58 : 103,904,414.35 = 47,407,378.28 : x - Step 2: Convert to fraction form
75,260,791.58/103,904,414.35 = 47,407,378.28/x - Step 3: Cross multiply
75,260,791.58x = 103,904,414.35 × 47,407,378.28 - Step 4: Simplify right side
75,260,791.58x = 4,925,835,875,414,269 - Step 5: Solve for x
x = 4,925,835,875,414,269/75,260,791.58 - Step 6: Final answer
x = 65,450,226.77
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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.