Finding the Fourth Proportional to 245,975,517.99, 339,446,898.99 and 134,467,706.25
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Solution
The fourth proportional to 245,975,517.99, 339,446,898.99 and 134,467,706.25 is: 185,565,808.64
Step by Step Solution
- Step 1: Write the proportion equation
245,975,517.99 : 339,446,898.99 = 134,467,706.25 : x - Step 2: Convert to fraction form
245,975,517.99/339,446,898.99 = 134,467,706.25/x - Step 3: Cross multiply
245,975,517.99x = 339,446,898.99 × 134,467,706.25 - Step 4: Simplify right side
245,975,517.99x = 45,644,645,900,860,744 - Step 5: Solve for x
x = 45,644,645,900,860,744/245,975,517.99 - Step 6: Final answer
x = 185,565,808.64
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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.