Finding the Fourth Proportional to 66,430,721.32, 91,674,452.48 and 37,062,058.44
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Solution
The fourth proportional to 66,430,721.32, 91,674,452.48 and 37,062,058.44 is: 51,145,672.48
Step by Step Solution
- Step 1: Write the proportion equation
66,430,721.32 : 91,674,452.48 = 37,062,058.44 : x - Step 2: Convert to fraction form
66,430,721.32/91,674,452.48 = 37,062,058.44/x - Step 3: Cross multiply
66,430,721.32x = 91,674,452.48 × 37,062,058.44 - Step 4: Simplify right side
66,430,721.32x = 3,397,643,915,268,763 - Step 5: Solve for x
x = 3,397,643,915,268,763/66,430,721.32 - Step 6: Final answer
x = 51,145,672.48
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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.