Finding the Fourth Proportional to 331,954,108.80, 457,670,851.68 and 272,195,231.52
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Solution
The fourth proportional to 331,954,108.80, 457,670,851.68 and 272,195,231.52 is: 375,280,257.51
Step by Step Solution
- Step 1: Write the proportion equation
331,954,108.80 : 457,670,851.68 = 272,195,231.52 : x - Step 2: Convert to fraction form
331,954,108.80/457,670,851.68 = 272,195,231.52/x - Step 3: Cross multiply
331,954,108.80x = 457,670,851.68 × 272,195,231.52 - Step 4: Simplify right side
331,954,108.80x = 124,575,823,432,993,168 - Step 5: Solve for x
x = 124,575,823,432,993,168/331,954,108.80 - Step 6: Final answer
x = 375,280,257.51
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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.