Finding the Fourth Proportional to 146,528,437.88, 202,209,642.18 and 80,453,215.92
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Solution
The fourth proportional to 146,528,437.88, 202,209,642.18 and 80,453,215.92 is: 111,025,656.44
Step by Step Solution
- Step 1: Write the proportion equation
146,528,437.88 : 202,209,642.18 = 80,453,215.92 : x - Step 2: Convert to fraction form
146,528,437.88/202,209,642.18 = 80,453,215.92/x - Step 3: Cross multiply
146,528,437.88x = 202,209,642.18 × 80,453,215.92 - Step 4: Simplify right side
146,528,437.88x = 16,268,416,003,413,480 - Step 5: Solve for x
x = 16,268,416,003,413,480/146,528,437.88 - Step 6: Final answer
x = 111,025,656.44
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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.