Finding the Fourth Proportional to 50,812,377.19, 70,121,718.26 and 27,607,891.66
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Solution
The fourth proportional to 50,812,377.19, 70,121,718.26 and 27,607,891.66 is: 38,099,236.99
Step by Step Solution
- Step 1: Write the proportion equation
50,812,377.19 : 70,121,718.26 = 27,607,891.66 : x - Step 2: Convert to fraction form
50,812,377.19/70,121,718.26 = 27,607,891.66/x - Step 3: Cross multiply
50,812,377.19x = 70,121,718.26 × 27,607,891.66 - Step 4: Simplify right side
50,812,377.19x = 1,935,912,800,735,123.75 - Step 5: Solve for x
x = 1,935,912,800,735,123.75/50,812,377.19 - Step 6: Final answer
x = 38,099,236.99
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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.