Finding the Fourth Proportional to 217,125,571.88, 325,609,516.44 and 118,829,924.67
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Solution
The fourth proportional to 217,125,571.88, 325,609,516.44 and 118,829,924.67 is: 178,201,738.17
Step by Step Solution
- Step 1: Write the proportion equation
217,125,571.88 : 325,609,516.44 = 118,829,924.67 : x - Step 2: Convert to fraction form
217,125,571.88/325,609,516.44 = 118,829,924.67/x - Step 3: Cross multiply
217,125,571.88x = 325,609,516.44 × 118,829,924.67 - Step 4: Simplify right side
217,125,571.88x = 38,692,154,311,621,360 - Step 5: Solve for x
x = 38,692,154,311,621,360/217,125,571.88 - Step 6: Final answer
x = 178,201,738.17
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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.