Finding the Fourth Proportional to 258,747,777.92, 357,103,244.76 and 147,265,724
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Solution
The fourth proportional to 258,747,777.92, 357,103,244.76 and 147,265,724 is: 203,244,519.84
Step by Step Solution
- Step 1: Write the proportion equation
258,747,777.92 : 357,103,244.76 = 147,265,724 : x - Step 2: Convert to fraction form
258,747,777.92/357,103,244.76 = 147,265,724/x - Step 3: Cross multiply
258,747,777.92x = 357,103,244.76 × 147,265,724 - Step 4: Simplify right side
258,747,777.92x = 52,589,067,882,330,608 - Step 5: Solve for x
x = 52,589,067,882,330,608/258,747,777.92 - Step 6: Final answer
x = 203,244,519.84
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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.