Finding the Fourth Proportional to 193,914,757.30, 290,872,135.95 and 155,651,005.30
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Solution
The fourth proportional to 193,914,757.30, 290,872,135.95 and 155,651,005.30 is: 233,476,507.95
Step by Step Solution
- Step 1: Write the proportion equation
193,914,757.30 : 290,872,135.95 = 155,651,005.30 : x - Step 2: Convert to fraction form
193,914,757.30/290,872,135.95 = 155,651,005.30/x - Step 3: Cross multiply
193,914,757.30x = 290,872,135.95 × 155,651,005.30 - Step 4: Simplify right side
193,914,757.30x = 45,274,540,374,375,776 - Step 5: Solve for x
x = 45,274,540,374,375,776/193,914,757.30 - Step 6: Final answer
x = 233,476,507.95
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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.