Finding the Fourth Proportional to 135,327,063.96, 186,751,532.88 and 73,447,403.40
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Solution
The fourth proportional to 135,327,063.96, 186,751,532.88 and 73,447,403.40 is: 101,357,516.89
Step by Step Solution
- Step 1: Write the proportion equation
135,327,063.96 : 186,751,532.88 = 73,447,403.40 : x - Step 2: Convert to fraction form
135,327,063.96/186,751,532.88 = 73,447,403.40/x - Step 3: Cross multiply
135,327,063.96x = 186,751,532.88 × 73,447,403.40 - Step 4: Simplify right side
135,327,063.96x = 13,716,415,171,005,724 - Step 5: Solve for x
x = 13,716,415,171,005,724/135,327,063.96 - Step 6: Final answer
x = 101,357,516.89
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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.