Finding the Fourth Proportional to 250,462,859.53, 345,599,767.37 and 143,170,650.15
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Solution
The fourth proportional to 250,462,859.53, 345,599,767.37 and 143,170,650.15 is: 197,553,215.99
Step by Step Solution
- Step 1: Write the proportion equation
250,462,859.53 : 345,599,767.37 = 143,170,650.15 : x - Step 2: Convert to fraction form
250,462,859.53/345,599,767.37 = 143,170,650.15/x - Step 3: Cross multiply
250,462,859.53x = 345,599,767.37 × 143,170,650.15 - Step 4: Simplify right side
250,462,859.53x = 49,479,743,386,409,584 - Step 5: Solve for x
x = 49,479,743,386,409,584/250,462,859.53 - Step 6: Final answer
x = 197,553,215.99
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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.