Finding the Fourth Proportional to 74,942,245.96, 103,388,630.16 and 50,170,412.68
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Solution
The fourth proportional to 74,942,245.96, 103,388,630.16 and 50,170,412.68 is: 69,213,968.37
Step by Step Solution
- Step 1: Write the proportion equation
74,942,245.96 : 103,388,630.16 = 50,170,412.68 : x - Step 2: Convert to fraction form
74,942,245.96/103,388,630.16 = 50,170,412.68/x - Step 3: Cross multiply
74,942,245.96x = 103,388,630.16 × 50,170,412.68 - Step 4: Simplify right side
74,942,245.96x = 5,187,050,241,547,094 - Step 5: Solve for x
x = 5,187,050,241,547,094/74,942,245.96 - Step 6: Final answer
x = 69,213,968.37
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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.