Finding the Fourth Proportional to 145,232,177.40, 217,848,266.10 and 134,146,711.80
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Solution
The fourth proportional to 145,232,177.40, 217,848,266.10 and 134,146,711.80 is: 201,220,067.70
Step by Step Solution
- Step 1: Write the proportion equation
145,232,177.40 : 217,848,266.10 = 134,146,711.80 : x - Step 2: Convert to fraction form
145,232,177.40/217,848,266.10 = 134,146,711.80/x - Step 3: Cross multiply
145,232,177.40x = 217,848,266.10 × 134,146,711.80 - Step 4: Simplify right side
145,232,177.40x = 29,223,628,568,646,408 - Step 5: Solve for x
x = 29,223,628,568,646,408/145,232,177.40 - Step 6: Final answer
x = 201,220,067.70
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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.