Finding the Fourth Proportional to 217,520,177.80, 326,280,266.70 and 125,561,201.80
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Solution
The fourth proportional to 217,520,177.80, 326,280,266.70 and 125,561,201.80 is: 188,341,802.70
Step by Step Solution
- Step 1: Write the proportion equation
217,520,177.80 : 326,280,266.70 = 125,561,201.80 : x - Step 2: Convert to fraction form
217,520,177.80/326,280,266.70 = 125,561,201.80/x - Step 3: Cross multiply
217,520,177.80x = 326,280,266.70 × 125,561,201.80 - Step 4: Simplify right side
217,520,177.80x = 40,968,142,410,476,520 - Step 5: Solve for x
x = 40,968,142,410,476,520/217,520,177.80 - Step 6: Final answer
x = 188,341,802.70
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1.5x scale
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.