Finding the Fourth Proportional to 276,480,582.18, 381,554,794.77 and 159,006,004.14
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Solution
The fourth proportional to 276,480,582.18, 381,554,794.77 and 159,006,004.14 is: 219,434,951.99
Step by Step Solution
- Step 1: Write the proportion equation
276,480,582.18 : 381,554,794.77 = 159,006,004.14 : x - Step 2: Convert to fraction form
276,480,582.18/381,554,794.77 = 159,006,004.14/x - Step 3: Cross multiply
276,480,582.18x = 381,554,794.77 × 159,006,004.14 - Step 4: Simplify right side
276,480,582.18x = 60,669,503,276,835,464 - Step 5: Solve for x
x = 60,669,503,276,835,464/276,480,582.18 - Step 6: Final answer
x = 219,434,951.99
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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.