Finding the Fourth Proportional to 157,725,277.62, 217,669,239.84 and 95,021,114.55
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Solution
The fourth proportional to 157,725,277.62, 217,669,239.84 and 95,021,114.55 is: 131,134,172.56
Step by Step Solution
- Step 1: Write the proportion equation
157,725,277.62 : 217,669,239.84 = 95,021,114.55 : x - Step 2: Convert to fraction form
157,725,277.62/217,669,239.84 = 95,021,114.55/x - Step 3: Cross multiply
157,725,277.62x = 217,669,239.84 × 95,021,114.55 - Step 4: Simplify right side
157,725,277.62x = 20,683,173,772,848,064 - Step 5: Solve for x
x = 20,683,173,772,848,064/157,725,277.62 - Step 6: Final answer
x = 131,134,172.56
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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.