Finding the Fourth Proportional to 276,218,858.64, 381,125,122.41 and 158,721,488.43
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Solution
The fourth proportional to 276,218,858.64, 381,125,122.41 and 158,721,488.43 is: 219,002,956.59
Step by Step Solution
- Step 1: Write the proportion equation
276,218,858.64 : 381,125,122.41 = 158,721,488.43 : x - Step 2: Convert to fraction form
276,218,858.64/381,125,122.41 = 158,721,488.43/x - Step 3: Cross multiply
276,218,858.64x = 381,125,122.41 × 158,721,488.43 - Step 4: Simplify right side
276,218,858.64x = 60,492,746,706,981,152 - Step 5: Solve for x
x = 60,492,746,706,981,152/276,218,858.64 - Step 6: Final answer
x = 219,002,956.59
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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.