Finding the Fourth Proportional to 146,528,438.64, 202,209,643.21 and 80,453,216.67
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Solution
The fourth proportional to 146,528,438.64, 202,209,643.21 and 80,453,216.67 is: 111,025,657.47
Step by Step Solution
- Step 1: Write the proportion equation
146,528,438.64 : 202,209,643.21 = 80,453,216.67 : x - Step 2: Convert to fraction form
146,528,438.64/202,209,643.21 = 80,453,216.67/x - Step 3: Cross multiply
146,528,438.64x = 202,209,643.21 × 80,453,216.67 - Step 4: Simplify right side
146,528,438.64x = 16,268,416,237,937,526 - Step 5: Solve for x
x = 16,268,416,237,937,526/146,528,438.64 - Step 6: Final answer
x = 111,025,657.47
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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.