Finding the Fourth Proportional to 61,073,243.80, 91,609,865.70 and 51,507,305.80
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Solution
The fourth proportional to 61,073,243.80, 91,609,865.70 and 51,507,305.80 is: 77,260,958.70
Step by Step Solution
- Step 1: Write the proportion equation
61,073,243.80 : 91,609,865.70 = 51,507,305.80 : x - Step 2: Convert to fraction form
61,073,243.80/91,609,865.70 = 51,507,305.80/x - Step 3: Cross multiply
61,073,243.80x = 91,609,865.70 × 51,507,305.80 - Step 4: Simplify right side
61,073,243.80x = 4,718,577,366,906,831 - Step 5: Solve for x
x = 4,718,577,366,906,831/61,073,243.80 - Step 6: Final answer
x = 77,260,958.70
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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.