Finding the Fourth Proportional to 268,938,023.99, 371,305,832.42 and 219,496,333.19
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Solution
The fourth proportional to 268,938,023.99, 371,305,832.42 and 219,496,333.19 is: 303,044,796.34
Step by Step Solution
- Step 1: Write the proportion equation
268,938,023.99 : 371,305,832.42 = 219,496,333.19 : x - Step 2: Convert to fraction form
268,938,023.99/371,305,832.42 = 219,496,333.19/x - Step 3: Cross multiply
268,938,023.99x = 371,305,832.42 × 219,496,333.19 - Step 4: Simplify right side
268,938,023.99x = 81,500,268,706,942,832 - Step 5: Solve for x
x = 81,500,268,706,942,832/268,938,023.99 - Step 6: Final answer
x = 303,044,796.34
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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.