Finding the Fourth Proportional to 276,952,200.36, 382,170,227.94 and 153,162,064.68
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Solution
The fourth proportional to 276,952,200.36, 382,170,227.94 and 153,162,064.68 is: 211,350,482.48
Step by Step Solution
- Step 1: Write the proportion equation
276,952,200.36 : 382,170,227.94 = 153,162,064.68 : x - Step 2: Convert to fraction form
276,952,200.36/382,170,227.94 = 153,162,064.68/x - Step 3: Cross multiply
276,952,200.36x = 382,170,227.94 × 153,162,064.68 - Step 4: Simplify right side
276,952,200.36x = 58,533,981,170,516,624 - Step 5: Solve for x
x = 58,533,981,170,516,624/276,952,200.36 - Step 6: Final answer
x = 211,350,482.48
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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.