Finding the Fourth Proportional to 121,676,188.01, 167,913,138.65 and 66,670,863.53
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Solution
The fourth proportional to 121,676,188.01, 167,913,138.65 and 66,670,863.53 is: 92,005,791.23
Step by Step Solution
- Step 1: Write the proportion equation
121,676,188.01 : 167,913,138.65 = 66,670,863.53 : x - Step 2: Convert to fraction form
121,676,188.01/167,913,138.65 = 66,670,863.53/x - Step 3: Cross multiply
121,676,188.01x = 167,913,138.65 × 66,670,863.53 - Step 4: Simplify right side
121,676,188.01x = 11,194,913,950,655,198 - Step 5: Solve for x
x = 11,194,913,950,655,198/121,676,188.01 - Step 6: Final answer
x = 92,005,791.23
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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.