Finding the Fourth Proportional to 85,530,227.80, 118,034,203.79 and 48,359,709.62
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Solution
The fourth proportional to 85,530,227.80, 118,034,203.79 and 48,359,709.62 is: 66,737,806.82
Step by Step Solution
- Step 1: Write the proportion equation
85,530,227.80 : 118,034,203.79 = 48,359,709.62 : x - Step 2: Convert to fraction form
85,530,227.80/118,034,203.79 = 48,359,709.62/x - Step 3: Cross multiply
85,530,227.80x = 118,034,203.79 × 48,359,709.62 - Step 4: Simplify right side
85,530,227.80x = 5,708,099,820,512,303 - Step 5: Solve for x
x = 5,708,099,820,512,303/85,530,227.80 - Step 6: Final answer
x = 66,737,806.82
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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.