Finding the Fourth Proportional to 276,053,876.70, 413,729,145.45 and 146,723,444.70
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Solution
The fourth proportional to 276,053,876.70, 413,729,145.45 and 146,723,444.70 is: 219,898,253.63
Step by Step Solution
- Step 1: Write the proportion equation
276,053,876.70 : 413,729,145.45 = 146,723,444.70 : x - Step 2: Convert to fraction form
276,053,876.70/413,729,145.45 = 146,723,444.70/x - Step 3: Cross multiply
276,053,876.70x = 413,729,145.45 × 146,723,444.70 - Step 4: Simplify right side
276,053,876.70x = 60,703,765,393,211,328 - Step 5: Solve for x
x = 60,703,765,393,211,328/276,053,876.70 - Step 6: Final answer
x = 219,898,253.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.