Finding the Fourth Proportional to 65,664,148.20, 98,354,504.70 and 54,326,740.20
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Solution
The fourth proportional to 65,664,148.20, 98,354,504.70 and 54,326,740.20 is: 81,372,861.31
Step by Step Solution
- Step 1: Write the proportion equation
65,664,148.20 : 98,354,504.70 = 54,326,740.20 : x - Step 2: Convert to fraction form
65,664,148.20/98,354,504.70 = 54,326,740.20/x - Step 3: Cross multiply
65,664,148.20x = 98,354,504.70 × 54,326,740.20 - Step 4: Simplify right side
65,664,148.20x = 5,343,279,624,336,579 - Step 5: Solve for x
x = 5,343,279,624,336,579/65,664,148.20 - Step 6: Final answer
x = 81,372,861.31
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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.