Finding the Fourth Proportional to 61,770,760.60, 85,208,233.62 and 38,525,531.08
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Solution
The fourth proportional to 61,770,760.60, 85,208,233.62 and 38,525,531.08 is: 53,143,144.44
Step by Step Solution
- Step 1: Write the proportion equation
61,770,760.60 : 85,208,233.62 = 38,525,531.08 : x - Step 2: Convert to fraction form
61,770,760.60/85,208,233.62 = 38,525,531.08/x - Step 3: Cross multiply
61,770,760.60x = 85,208,233.62 × 38,525,531.08 - Step 4: Simplify right side
61,770,760.60x = 3,282,692,452,599,211 - Step 5: Solve for x
x = 3,282,692,452,599,211/61,770,760.60 - Step 6: Final answer
x = 53,143,144.44
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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.