Finding the Fourth Proportional to 56,823,982.70, 78,438,420.51 and 37,246,131.98
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Solution
The fourth proportional to 56,823,982.70, 78,438,420.51 and 37,246,131.98 is: 51,413,639.52
Step by Step Solution
- Step 1: Write the proportion equation
56,823,982.70 : 78,438,420.51 = 37,246,131.98 : x - Step 2: Convert to fraction form
56,823,982.70/78,438,420.51 = 37,246,131.98/x - Step 3: Cross multiply
56,823,982.70x = 78,438,420.51 × 37,246,131.98 - Step 4: Simplify right side
56,823,982.70x = 2,921,527,762,618,199 - Step 5: Solve for x
x = 2,921,527,762,618,199/56,823,982.70 - Step 6: Final answer
x = 51,413,639.52
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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.