Finding the Fourth Proportional to 73,811,794.30, 110,717,691.45 and 54,679,918.30
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Solution
The fourth proportional to 73,811,794.30, 110,717,691.45 and 54,679,918.30 is: 82,019,877.45
Step by Step Solution
- Step 1: Write the proportion equation
73,811,794.30 : 110,717,691.45 = 54,679,918.30 : x - Step 2: Convert to fraction form
73,811,794.30/110,717,691.45 = 54,679,918.30/x - Step 3: Cross multiply
73,811,794.30x = 110,717,691.45 × 54,679,918.30 - Step 4: Simplify right side
73,811,794.30x = 6,054,034,322,850,608 - Step 5: Solve for x
x = 6,054,034,322,850,608/73,811,794.30 - Step 6: Final answer
x = 82,019,877.45
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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.