Finding the Fourth Proportional to 55,212,161.28, 76,193,084.16 and 32,021,038.08
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Solution
The fourth proportional to 55,212,161.28, 76,193,084.16 and 32,021,038.08 is: 44,189,207.46
Step by Step Solution
- Step 1: Write the proportion equation
55,212,161.28 : 76,193,084.16 = 32,021,038.08 : x - Step 2: Convert to fraction form
55,212,161.28/76,193,084.16 = 32,021,038.08/x - Step 3: Cross multiply
55,212,161.28x = 76,193,084.16 × 32,021,038.08 - Step 4: Simplify right side
55,212,161.28x = 2,439,781,649,320,004.50 - Step 5: Solve for x
x = 2,439,781,649,320,004.50/55,212,161.28 - Step 6: Final answer
x = 44,189,207.46
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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.