Finding the Fourth Proportional to 255,612,122.10, 383,670,125.55 and 126,365,670.90
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Solution
The fourth proportional to 255,612,122.10, 383,670,125.55 and 126,365,670.90 is: 189,673,057.84
Step by Step Solution
- Step 1: Write the proportion equation
255,612,122.10 : 383,670,125.55 = 126,365,670.90 : x - Step 2: Convert to fraction form
255,612,122.10/383,670,125.55 = 126,365,670.90/x - Step 3: Cross multiply
255,612,122.10x = 383,670,125.55 × 126,365,670.90 - Step 4: Simplify right side
255,612,122.10x = 48,482,732,819,412,984 - Step 5: Solve for x
x = 48,482,732,819,412,984/255,612,122.10 - Step 6: Final answer
x = 189,673,057.84
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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.