Finding the Fourth Proportional to 71,451,696.96, 107,239,772.88 and 40,807,627.92
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Solution
The fourth proportional to 71,451,696.96, 107,239,772.88 and 40,807,627.92 is: 61,246,981.33
Step by Step Solution
- Step 1: Write the proportion equation
71,451,696.96 : 107,239,772.88 = 40,807,627.92 : x - Step 2: Convert to fraction form
71,451,696.96/107,239,772.88 = 40,807,627.92/x - Step 3: Cross multiply
71,451,696.96x = 107,239,772.88 × 40,807,627.92 - Step 4: Simplify right side
71,451,696.96x = 4,376,200,749,912,347 - Step 5: Solve for x
x = 4,376,200,749,912,347/71,451,696.96 - Step 6: Final answer
x = 61,246,981.33
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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.