Finding the Fourth Proportional to 178,550,163.95, 246,385,623.02 and 100,218,583.80
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Solution
The fourth proportional to 178,550,163.95, 246,385,623.02 and 100,218,583.80 is: 138,294,010.28
Step by Step Solution
- Step 1: Write the proportion equation
178,550,163.95 : 246,385,623.02 = 100,218,583.80 : x - Step 2: Convert to fraction form
178,550,163.95/246,385,623.02 = 100,218,583.80/x - Step 3: Cross multiply
178,550,163.95x = 246,385,623.02 × 100,218,583.80 - Step 4: Simplify right side
178,550,163.95x = 24,692,418,207,243,984 - Step 5: Solve for x
x = 24,692,418,207,243,984/178,550,163.95 - Step 6: Final answer
x = 138,294,010.28
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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.