Finding the Fourth Proportional to 83,052,228.52, 113,779,649.36 and 79,947,121.96
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Solution
The fourth proportional to 83,052,228.52, 113,779,649.36 and 79,947,121.96 is: 109,525,724.55
Step by Step Solution
- Step 1: Write the proportion equation
83,052,228.52 : 113,779,649.36 = 79,947,121.96 : x - Step 2: Convert to fraction form
83,052,228.52/113,779,649.36 = 79,947,121.96/x - Step 3: Cross multiply
83,052,228.52x = 113,779,649.36 × 79,947,121.96 - Step 4: Simplify right side
83,052,228.52x = 9,096,355,503,949,956 - Step 5: Solve for x
x = 9,096,355,503,949,956/83,052,228.52 - Step 6: Final answer
x = 109,525,724.55
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.