Finding the Fourth Proportional to 276,274,227.99, 381,259,652.36 and 152,515,922.07
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Solution
The fourth proportional to 276,274,227.99, 381,259,652.36 and 152,515,922.07 is: 210,472,644.70
Step by Step Solution
- Step 1: Write the proportion equation
276,274,227.99 : 381,259,652.36 = 152,515,922.07 : x - Step 2: Convert to fraction form
276,274,227.99/381,259,652.36 = 152,515,922.07/x - Step 3: Cross multiply
276,274,227.99x = 381,259,652.36 × 152,515,922.07 - Step 4: Simplify right side
276,274,227.99x = 58,148,167,429,107,488 - Step 5: Solve for x
x = 58,148,167,429,107,488/276,274,227.99 - Step 6: Final answer
x = 210,472,644.70
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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.