Finding the Fourth Proportional to 98,784,394.50, 136,322,464.41 and 55,324,330.50
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Solution
The fourth proportional to 98,784,394.50, 136,322,464.41 and 55,324,330.50 is: 76,347,576.09
Step by Step Solution
- Step 1: Write the proportion equation
98,784,394.50 : 136,322,464.41 = 55,324,330.50 : x - Step 2: Convert to fraction form
98,784,394.50/136,322,464.41 = 55,324,330.50/x - Step 3: Cross multiply
98,784,394.50x = 136,322,464.41 × 55,324,330.50 - Step 4: Simplify right side
98,784,394.50x = 7,541,949,075,593,327 - Step 5: Solve for x
x = 7,541,949,075,593,327/98,784,394.50 - Step 6: Final answer
x = 76,347,576.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.