Finding the Fourth Proportional to 63,001,272.68, 86,960,972.14 and 36,546,311.96
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Solution
The fourth proportional to 63,001,272.68, 86,960,972.14 and 36,546,311.96 is: 50,445,057.39
Step by Step Solution
- Step 1: Write the proportion equation
63,001,272.68 : 86,960,972.14 = 36,546,311.96 : x - Step 2: Convert to fraction form
63,001,272.68/86,960,972.14 = 36,546,311.96/x - Step 3: Cross multiply
63,001,272.68x = 86,960,972.14 × 36,546,311.96 - Step 4: Simplify right side
63,001,272.68x = 3,178,102,816,173,309 - Step 5: Solve for x
x = 3,178,102,816,173,309/63,001,272.68 - Step 6: Final answer
x = 50,445,057.39
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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.