Finding the Fourth Proportional to 252,761,199.84, 379,114,637.09 and 171,402,306.66
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Solution
The fourth proportional to 252,761,199.84, 379,114,637.09 and 171,402,306.66 is: 257,085,040.45
Step by Step Solution
- Step 1: Write the proportion equation
252,761,199.84 : 379,114,637.09 = 171,402,306.66 : x - Step 2: Convert to fraction form
252,761,199.84/379,114,637.09 = 171,402,306.66/x - Step 3: Cross multiply
252,761,199.84x = 379,114,637.09 × 171,402,306.66 - Step 4: Simplify right side
252,761,199.84x = 64,981,123,284,937,776 - Step 5: Solve for x
x = 64,981,123,284,937,776/252,761,199.84 - Step 6: Final answer
x = 257,085,040.45
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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.