Finding the Fourth Proportional to 135,336,957.62, 186,760,000.49 and 73,455,967.58
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Solution
The fourth proportional to 135,336,957.62, 186,760,000.49 and 73,455,967.58 is: 101,366,520.88
Step by Step Solution
- Step 1: Write the proportion equation
135,336,957.62 : 186,760,000.49 = 73,455,967.58 : x - Step 2: Convert to fraction form
135,336,957.62/186,760,000.49 = 73,455,967.58/x - Step 3: Cross multiply
135,336,957.62x = 186,760,000.49 × 73,455,967.58 - Step 4: Simplify right side
135,336,957.62x = 13,718,636,540,484,066 - Step 5: Solve for x
x = 13,718,636,540,484,066/135,336,957.62 - Step 6: Final answer
x = 101,366,520.88
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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.