Finding the Fourth Proportional to 255,479,207.94, 383,213,312.19 and 71,241,778.98
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Solution
The fourth proportional to 255,479,207.94, 383,213,312.19 and 71,241,778.98 is: 106,861,134.84
Step by Step Solution
- Step 1: Write the proportion equation
255,479,207.94 : 383,213,312.19 = 71,241,778.98 : x - Step 2: Convert to fraction form
255,479,207.94/383,213,312.19 = 71,241,778.98/x - Step 3: Cross multiply
255,479,207.94x = 383,213,312.19 × 71,241,778.98 - Step 4: Simplify right side
255,479,207.94x = 27,300,798,089,233,720 - Step 5: Solve for x
x = 27,300,798,089,233,720/255,479,207.94 - Step 6: Final answer
x = 106,861,134.84
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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.