Finding the Fourth Proportional to 141,743,363.70, 212,615,045.55 and 121,336,029.30
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Solution
The fourth proportional to 141,743,363.70, 212,615,045.55 and 121,336,029.30 is: 182,004,043.95
Step by Step Solution
- Step 1: Write the proportion equation
141,743,363.70 : 212,615,045.55 = 121,336,029.30 : x - Step 2: Convert to fraction form
141,743,363.70/212,615,045.55 = 121,336,029.30/x - Step 3: Cross multiply
141,743,363.70x = 212,615,045.55 × 121,336,029.30 - Step 4: Simplify right side
141,743,363.70x = 25,797,865,396,475,636 - Step 5: Solve for x
x = 25,797,865,396,475,636/141,743,363.70 - Step 6: Final answer
x = 182,004,043.95
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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.