Finding the Fourth Proportional to 54,471,330.72, 75,168,175.32 and 29,690,972.64
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Solution
The fourth proportional to 54,471,330.72, 75,168,175.32 and 29,690,972.64 is: 40,972,309.79
Step by Step Solution
- Step 1: Write the proportion equation
54,471,330.72 : 75,168,175.32 = 29,690,972.64 : x - Step 2: Convert to fraction form
54,471,330.72/75,168,175.32 = 29,690,972.64/x - Step 3: Cross multiply
54,471,330.72x = 75,168,175.32 × 29,690,972.64 - Step 4: Simplify right side
54,471,330.72x = 2,231,816,236,824,843 - Step 5: Solve for x
x = 2,231,816,236,824,843/54,471,330.72 - Step 6: Final answer
x = 40,972,309.79
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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.