Finding the Fourth Proportional to 50,471,921.75, 69,674,502.44 and 29,561,052.47
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Solution
The fourth proportional to 50,471,921.75, 69,674,502.44 and 29,561,052.47 is: 40,807,870.02
Step by Step Solution
- Step 1: Write the proportion equation
50,471,921.75 : 69,674,502.44 = 29,561,052.47 : x - Step 2: Convert to fraction form
50,471,921.75/69,674,502.44 = 29,561,052.47/x - Step 3: Cross multiply
50,471,921.75x = 69,674,502.44 × 29,561,052.47 - Step 4: Simplify right side
50,471,921.75x = 2,059,651,622,175,513 - Step 5: Solve for x
x = 2,059,651,622,175,513/50,471,921.75 - Step 6: Final answer
x = 40,807,870.02
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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.