Finding the Fourth Proportional to 135,336,958.74, 186,760,002.04 and 73,455,968.70
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Solution
The fourth proportional to 135,336,958.74, 186,760,002.04 and 73,455,968.70 is: 101,366,522.43
Step by Step Solution
- Step 1: Write the proportion equation
135,336,958.74 : 186,760,002.04 = 73,455,968.70 : x - Step 2: Convert to fraction form
135,336,958.74/186,760,002.04 = 73,455,968.70/x - Step 3: Cross multiply
135,336,958.74x = 186,760,002.04 × 73,455,968.70 - Step 4: Simplify right side
135,336,958.74x = 13,718,636,863,978,916 - Step 5: Solve for x
x = 13,718,636,863,978,916/135,336,958.74 - Step 6: Final answer
x = 101,366,522.43
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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.