Finding the Fourth Proportional to 97,723,376.40, 146,585,064.60 and 74,765,125.20
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Solution
The fourth proportional to 97,723,376.40, 146,585,064.60 and 74,765,125.20 is: 112,147,687.80
Step by Step Solution
- Step 1: Write the proportion equation
97,723,376.40 : 146,585,064.60 = 74,765,125.20 : x - Step 2: Convert to fraction form
97,723,376.40/146,585,064.60 = 74,765,125.20/x - Step 3: Cross multiply
97,723,376.40x = 146,585,064.60 × 74,765,125.20 - Step 4: Simplify right side
97,723,376.40x = 10,959,450,707,269,088 - Step 5: Solve for x
x = 10,959,450,707,269,088/97,723,376.40 - Step 6: Final answer
x = 112,147,687.80
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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.