Finding the Fourth Proportional to 99,642,268.80, 149,526,388.80 and 58,701,628.80
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Solution
The fourth proportional to 99,642,268.80, 149,526,388.80 and 58,701,628.80 is: 88,089,549.51
Step by Step Solution
- Step 1: Write the proportion equation
99,642,268.80 : 149,526,388.80 = 58,701,628.80 : x - Step 2: Convert to fraction form
99,642,268.80/149,526,388.80 = 58,701,628.80/x - Step 3: Cross multiply
99,642,268.80x = 149,526,388.80 × 58,701,628.80 - Step 4: Simplify right side
99,642,268.80x = 8,777,442,571,142,078 - Step 5: Solve for x
x = 8,777,442,571,142,078/99,642,268.80 - Step 6: Final answer
x = 88,089,549.51
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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.