Finding the Fourth Proportional to 74,708,684.30, 111,833,183.99 and 48,745,079.57
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Solution
The fourth proportional to 74,708,684.30, 111,833,183.99 and 48,745,079.57 is: 72,967,654.34
Step by Step Solution
- Step 1: Write the proportion equation
74,708,684.30 : 111,833,183.99 = 48,745,079.57 : x - Step 2: Convert to fraction form
74,708,684.30/111,833,183.99 = 48,745,079.57/x - Step 3: Cross multiply
74,708,684.30x = 111,833,183.99 × 48,745,079.57 - Step 4: Simplify right side
74,708,684.30x = 5,451,317,452,560,446 - Step 5: Solve for x
x = 5,451,317,452,560,446/74,708,684.30 - Step 6: Final answer
x = 72,967,654.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.