Finding the Fourth Proportional to 135,326,123.20, 202,989,184.80 and 135,326,123.20
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Solution
The fourth proportional to 135,326,123.20, 202,989,184.80 and 135,326,123.20 is: 202,989,184.80
Step by Step Solution
- Step 1: Write the proportion equation
135,326,123.20 : 202,989,184.80 = 135,326,123.20 : x - Step 2: Convert to fraction form
135,326,123.20/202,989,184.80 = 135,326,123.20/x - Step 3: Cross multiply
135,326,123.20x = 202,989,184.80 × 135,326,123.20 - Step 4: Simplify right side
135,326,123.20x = 27,469,739,430,512,368 - Step 5: Solve for x
x = 27,469,739,430,512,368/135,326,123.20 - Step 6: Final answer
x = 202,989,184.80
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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.