Finding the Fourth Proportional to 86,989,365.44, 130,397,858.72 and 40,848,638.08
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Solution
The fourth proportional to 86,989,365.44, 130,397,858.72 and 40,848,638.08 is: 61,232,484.11
Step by Step Solution
- Step 1: Write the proportion equation
86,989,365.44 : 130,397,858.72 = 40,848,638.08 : x - Step 2: Convert to fraction form
86,989,365.44/130,397,858.72 = 40,848,638.08/x - Step 3: Cross multiply
86,989,365.44x = 130,397,858.72 × 40,848,638.08 - Step 4: Simplify right side
86,989,365.44x = 5,326,574,937,260,252 - Step 5: Solve for x
x = 5,326,574,937,260,252/86,989,365.44 - Step 6: Final answer
x = 61,232,484.11
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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.