Finding the Fourth Proportional to 181,991,146.95, 272,959,811.82 and 66,948,785.08
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Solution
The fourth proportional to 181,991,146.95, 272,959,811.82 and 66,948,785.08 is: 100,413,278.79
Step by Step Solution
- Step 1: Write the proportion equation
181,991,146.95 : 272,959,811.82 = 66,948,785.08 : x - Step 2: Convert to fraction form
181,991,146.95/272,959,811.82 = 66,948,785.08/x - Step 3: Cross multiply
181,991,146.95x = 272,959,811.82 × 66,948,785.08 - Step 4: Simplify right side
181,991,146.95x = 18,274,327,776,332,024 - Step 5: Solve for x
x = 18,274,327,776,332,024/181,991,146.95 - Step 6: Final answer
x = 100,413,278.79
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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.