Finding the Fourth Proportional to 157,564,217.88, 217,474,900.38 and 92,395,117.08
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Solution
The fourth proportional to 157,564,217.88, 217,474,900.38 and 92,395,117.08 is: 127,526,535.87
Step by Step Solution
- Step 1: Write the proportion equation
157,564,217.88 : 217,474,900.38 = 92,395,117.08 : x - Step 2: Convert to fraction form
157,564,217.88/217,474,900.38 = 92,395,117.08/x - Step 3: Cross multiply
157,564,217.88x = 217,474,900.38 × 92,395,117.08 - Step 4: Simplify right side
157,564,217.88x = 20,093,618,882,571,436 - Step 5: Solve for x
x = 20,093,618,882,571,436/157,564,217.88 - Step 6: Final answer
x = 127,526,535.87
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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.