Finding the Fourth Proportional to 86,989,321.44, 130,397,792.76 and 40,848,594.03
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Solution
The fourth proportional to 86,989,321.44, 130,397,792.76 and 40,848,594.03 is: 61,232,418.08
Step by Step Solution
- Step 1: Write the proportion equation
86,989,321.44 : 130,397,792.76 = 40,848,594.03 : x - Step 2: Convert to fraction form
86,989,321.44/130,397,792.76 = 40,848,594.03/x - Step 3: Cross multiply
86,989,321.44x = 130,397,792.76 × 40,848,594.03 - Step 4: Simplify right side
86,989,321.44x = 5,326,566,498,861,314 - Step 5: Solve for x
x = 5,326,566,498,861,314/86,989,321.44 - Step 6: Final answer
x = 61,232,418.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.