Finding the Fourth Proportional to 217,725,458.10, 326,588,187.15 and 201,097,259.70
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Solution
The fourth proportional to 217,725,458.10, 326,588,187.15 and 201,097,259.70 is: 301,645,889.55
Step by Step Solution
- Step 1: Write the proportion equation
217,725,458.10 : 326,588,187.15 = 201,097,259.70 : x - Step 2: Convert to fraction form
217,725,458.10/326,588,187.15 = 201,097,259.70/x - Step 3: Cross multiply
217,725,458.10x = 326,588,187.15 × 201,097,259.70 - Step 4: Simplify right side
217,725,458.10x = 65,675,989,486,255,744 - Step 5: Solve for x
x = 65,675,989,486,255,744/217,725,458.10 - Step 6: Final answer
x = 301,645,889.55
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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.