Finding the Fourth Proportional to 146,765,436.12, 202,536,432.10 and 80,687,059.08
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Solution
The fourth proportional to 146,765,436.12, 202,536,432.10 and 80,687,059.08 is: 111,348,213.14
Step by Step Solution
- Step 1: Write the proportion equation
146,765,436.12 : 202,536,432.10 = 80,687,059.08 : x - Step 2: Convert to fraction form
146,765,436.12/202,536,432.10 = 80,687,059.08/x - Step 3: Cross multiply
146,765,436.12x = 202,536,432.10 × 80,687,059.08 - Step 4: Simplify right side
146,765,436.12x = 16,342,069,062,705,108 - Step 5: Solve for x
x = 16,342,069,062,705,108/146,765,436.12 - Step 6: Final answer
x = 111,348,213.14
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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.