Finding the Fourth Proportional to 83,822,310.84, 115,678,593.58 and 46,654,967.55
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Solution
The fourth proportional to 83,822,310.84, 115,678,593.58 and 46,654,967.55 is: 64,385,972.85
Step by Step Solution
- Step 1: Write the proportion equation
83,822,310.84 : 115,678,593.58 = 46,654,967.55 : x - Step 2: Convert to fraction form
83,822,310.84/115,678,593.58 = 46,654,967.55/x - Step 3: Cross multiply
83,822,310.84x = 115,678,593.58 × 46,654,967.55 - Step 4: Simplify right side
83,822,310.84x = 5,396,981,029,587,901 - Step 5: Solve for x
x = 5,396,981,029,587,901/83,822,310.84 - Step 6: Final answer
x = 64,385,972.85
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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.