Finding the Fourth Proportional to 69,530,740.66, 95,964,296.97 and 40,156,793.74
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Solution
The fourth proportional to 69,530,740.66, 95,964,296.97 and 40,156,793.74 is: 55,423,233.57
Step by Step Solution
- Step 1: Write the proportion equation
69,530,740.66 : 95,964,296.97 = 40,156,793.74 : x - Step 2: Convert to fraction form
69,530,740.66/95,964,296.97 = 40,156,793.74/x - Step 3: Cross multiply
69,530,740.66x = 95,964,296.97 × 40,156,793.74 - Step 4: Simplify right side
69,530,740.66x = 3,853,618,479,828,397 - Step 5: Solve for x
x = 3,853,618,479,828,397/69,530,740.66 - Step 6: Final answer
x = 55,423,233.57
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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.