Finding the Fourth Proportional to 64,214,608.20, 96,479,198.70 and 48,289,360.20
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Solution
The fourth proportional to 64,214,608.20, 96,479,198.70 and 48,289,360.20 is: 72,552,319.61
Step by Step Solution
- Step 1: Write the proportion equation
64,214,608.20 : 96,479,198.70 = 48,289,360.20 : x - Step 2: Convert to fraction form
64,214,608.20/96,479,198.70 = 48,289,360.20/x - Step 3: Cross multiply
64,214,608.20x = 96,479,198.70 × 48,289,360.20 - Step 4: Simplify right side
64,214,608.20x = 4,658,918,777,831,672 - Step 5: Solve for x
x = 4,658,918,777,831,672/64,214,608.20 - Step 6: Final answer
x = 72,552,319.61
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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.