Finding the Fourth Proportional to 69,769,414.34, 96,281,793.09 and 38,836,890.98
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Solution
The fourth proportional to 69,769,414.34, 96,281,793.09 and 38,836,890.98 is: 53,594,910.28
Step by Step Solution
- Step 1: Write the proportion equation
69,769,414.34 : 96,281,793.09 = 38,836,890.98 : x - Step 2: Convert to fraction form
69,769,414.34/96,281,793.09 = 38,836,890.98/x - Step 3: Cross multiply
69,769,414.34x = 96,281,793.09 × 38,836,890.98 - Step 4: Simplify right side
69,769,414.34x = 3,739,285,501,595,247 - Step 5: Solve for x
x = 3,739,285,501,595,247/69,769,414.34 - Step 6: Final answer
x = 53,594,910.28
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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.