Finding the Fourth Proportional to 55,683,103.12, 76,851,917.64 and 32,478,229.36
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Solution
The fourth proportional to 55,683,103.12, 76,851,917.64 and 32,478,229.36 is: 44,825,343.20
Step by Step Solution
- Step 1: Write the proportion equation
55,683,103.12 : 76,851,917.64 = 32,478,229.36 : x - Step 2: Convert to fraction form
55,683,103.12/76,851,917.64 = 32,478,229.36/x - Step 3: Cross multiply
55,683,103.12x = 76,851,917.64 × 32,478,229.36 - Step 4: Simplify right side
55,683,103.12x = 2,496,014,207,867,750 - Step 5: Solve for x
x = 2,496,014,207,867,750/55,683,103.12 - Step 6: Final answer
x = 44,825,343.20
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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.