Finding the Fourth Proportional to 49,389,231.60, 74,091,720.60 and 20,620,558.80
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Solution
The fourth proportional to 49,389,231.60, 74,091,720.60 and 20,620,558.80 is: 30,934,125.35
Step by Step Solution
- Step 1: Write the proportion equation
49,389,231.60 : 74,091,720.60 = 20,620,558.80 : x - Step 2: Convert to fraction form
49,389,231.60/74,091,720.60 = 20,620,558.80/x - Step 3: Cross multiply
49,389,231.60x = 74,091,720.60 × 20,620,558.80 - Step 4: Simplify right side
49,389,231.60x = 1,527,812,681,225,471.25 - Step 5: Solve for x
x = 1,527,812,681,225,471.25/49,389,231.60 - Step 6: Final answer
x = 30,934,125.35
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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.