Finding the Fourth Proportional to 121,117,096.80, 181,459,132.20 and 73,707,310.80
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Solution
The fourth proportional to 121,117,096.80, 181,459,132.20 and 73,707,310.80 is: 110,429,204.53
Step by Step Solution
- Step 1: Write the proportion equation
121,117,096.80 : 181,459,132.20 = 73,707,310.80 : x - Step 2: Convert to fraction form
121,117,096.80/181,459,132.20 = 73,707,310.80/x - Step 3: Cross multiply
121,117,096.80x = 181,459,132.20 × 73,707,310.80 - Step 4: Simplify right side
121,117,096.80x = 13,374,864,654,563,686 - Step 5: Solve for x
x = 13,374,864,654,563,686/121,117,096.80 - Step 6: Final answer
x = 110,429,204.53
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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.