Finding the Fourth Proportional to 276,274,226.99, 381,259,650.98 and 152,515,921.07
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Solution
The fourth proportional to 276,274,226.99, 381,259,650.98 and 152,515,921.07 is: 210,472,643.32
Step by Step Solution
- Step 1: Write the proportion equation
276,274,226.99 : 381,259,650.98 = 152,515,921.07 : x - Step 2: Convert to fraction form
276,274,226.99/381,259,650.98 = 152,515,921.07/x - Step 3: Cross multiply
276,274,226.99x = 381,259,650.98 × 152,515,921.07 - Step 4: Simplify right side
276,274,226.99x = 58,148,166,837,375,864 - Step 5: Solve for x
x = 58,148,166,837,375,864/276,274,226.99 - Step 6: Final answer
x = 210,472,643.32
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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.