Finding the Fourth Proportional to 141,804,624.70, 212,706,937.05 and 121,397,290.30
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Solution
The fourth proportional to 141,804,624.70, 212,706,937.05 and 121,397,290.30 is: 182,095,935.45
Step by Step Solution
- Step 1: Write the proportion equation
141,804,624.70 : 212,706,937.05 = 121,397,290.30 : x - Step 2: Convert to fraction form
141,804,624.70/212,706,937.05 = 121,397,290.30/x - Step 3: Cross multiply
141,804,624.70x = 212,706,937.05 × 121,397,290.30 - Step 4: Simplify right side
141,804,624.70x = 25,822,045,785,882,676 - Step 5: Solve for x
x = 25,822,045,785,882,676/141,804,624.70 - Step 6: Final answer
x = 182,095,935.45
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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.