Finding the Fourth Proportional to 121,886,313.09, 182,791,062.48 and 39,986,106.42
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Solution
The fourth proportional to 121,886,313.09, 182,791,062.48 and 39,986,106.42 is: 59,966,559.75
Step by Step Solution
- Step 1: Write the proportion equation
121,886,313.09 : 182,791,062.48 = 39,986,106.42 : x - Step 2: Convert to fraction form
121,886,313.09/182,791,062.48 = 39,986,106.42/x - Step 3: Cross multiply
121,886,313.09x = 182,791,062.48 × 39,986,106.42 - Step 4: Simplify right side
121,886,313.09x = 7,309,102,876,950,149 - Step 5: Solve for x
x = 7,309,102,876,950,149/121,886,313.09 - Step 6: Final answer
x = 59,966,559.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.