Finding the Fourth Proportional to 61,203,902.55, 91,805,853.83 and 53,232,287.55
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Solution
The fourth proportional to 61,203,902.55, 91,805,853.83 and 53,232,287.55 is: 79,848,431.33
Step by Step Solution
- Step 1: Write the proportion equation
61,203,902.55 : 91,805,853.83 = 53,232,287.55 : x - Step 2: Convert to fraction form
61,203,902.55/91,805,853.83 = 53,232,287.55/x - Step 3: Cross multiply
61,203,902.55x = 91,805,853.83 × 53,232,287.55 - Step 4: Simplify right side
61,203,902.55x = 4,887,035,609,585,667 - Step 5: Solve for x
x = 4,887,035,609,585,667/61,203,902.55 - Step 6: Final answer
x = 79,848,431.33
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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.