Finding the Fourth Proportional to 75,549,491.10, 113,324,236.65 and 60,432,947.10
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Solution
The fourth proportional to 75,549,491.10, 113,324,236.65 and 60,432,947.10 is: 90,649,420.65
Step by Step Solution
- Step 1: Write the proportion equation
75,549,491.10 : 113,324,236.65 = 60,432,947.10 : x - Step 2: Convert to fraction form
75,549,491.10/113,324,236.65 = 60,432,947.10/x - Step 3: Cross multiply
75,549,491.10x = 113,324,236.65 × 60,432,947.10 - Step 4: Simplify right side
75,549,491.10x = 6,848,517,598,617,332 - Step 5: Solve for x
x = 6,848,517,598,617,332/75,549,491.10 - Step 6: Final answer
x = 90,649,420.65
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1.5x scale
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.