Finding the Fourth Proportional to 56,893,096.31, 78,512,472.99 and 30,787,614.14
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Solution
The fourth proportional to 56,893,096.31, 78,512,472.99 and 30,787,614.14 is: 42,486,907.56
Step by Step Solution
- Step 1: Write the proportion equation
56,893,096.31 : 78,512,472.99 = 30,787,614.14 : x - Step 2: Convert to fraction form
56,893,096.31/78,512,472.99 = 30,787,614.14/x - Step 3: Cross multiply
56,893,096.31x = 78,512,472.99 × 30,787,614.14 - Step 4: Simplify right side
56,893,096.31x = 2,417,211,723,593,292 - Step 5: Solve for x
x = 2,417,211,723,593,292/56,893,096.31 - Step 6: Final answer
x = 42,486,907.56
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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.