Finding the Fourth Proportional to 53,415,660.42, 73,690,207.47 and 31,379,218.77
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Solution
The fourth proportional to 53,415,660.42, 73,690,207.47 and 31,379,218.77 is: 43,289,573.19
Step by Step Solution
- Step 1: Write the proportion equation
53,415,660.42 : 73,690,207.47 = 31,379,218.77 : x - Step 2: Convert to fraction form
53,415,660.42/73,690,207.47 = 31,379,218.77/x - Step 3: Cross multiply
53,415,660.42x = 73,690,207.47 × 31,379,218.77 - Step 4: Simplify right side
53,415,660.42x = 2,312,341,141,407,818 - Step 5: Solve for x
x = 2,312,341,141,407,818/53,415,660.42 - Step 6: Final answer
x = 43,289,573.19
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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.