Finding the Fourth Proportional to 250,419,616.92, 375,447,821.99 and 168,334,900.80
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Solution
The fourth proportional to 250,419,616.92, 375,447,821.99 and 168,334,900.80 is: 252,380,275.34
Step by Step Solution
- Step 1: Write the proportion equation
250,419,616.92 : 375,447,821.99 = 168,334,900.80 : x - Step 2: Convert to fraction form
250,419,616.92/375,447,821.99 = 168,334,900.80/x - Step 3: Cross multiply
250,419,616.92x = 375,447,821.99 × 168,334,900.80 - Step 4: Simplify right side
250,419,616.92x = 63,200,971,869,421,040 - Step 5: Solve for x
x = 63,200,971,869,421,040/250,419,616.92 - Step 6: Final answer
x = 252,380,275.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.