Finding the Fourth Proportional to 73,811,729.10, 110,717,593.65 and 54,679,853.10
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Solution
The fourth proportional to 73,811,729.10, 110,717,593.65 and 54,679,853.10 is: 82,019,779.65
Step by Step Solution
- Step 1: Write the proportion equation
73,811,729.10 : 110,717,593.65 = 54,679,853.10 : x - Step 2: Convert to fraction form
73,811,729.10/110,717,593.65 = 54,679,853.10/x - Step 3: Cross multiply
73,811,729.10x = 110,717,593.65 × 54,679,853.10 - Step 4: Simplify right side
73,811,729.10x = 6,054,021,756,367,493 - Step 5: Solve for x
x = 6,054,021,756,367,493/73,811,729.10 - Step 6: Final answer
x = 82,019,779.65
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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.