Finding the Fourth Proportional to 68,316,892.70, 94,278,672.99 and 37,377,726.26
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Solution
The fourth proportional to 68,316,892.70, 94,278,672.99 and 37,377,726.26 is: 51,582,006.90
Step by Step Solution
- Step 1: Write the proportion equation
68,316,892.70 : 94,278,672.99 = 37,377,726.26 : x - Step 2: Convert to fraction form
68,316,892.70/94,278,672.99 = 37,377,726.26/x - Step 3: Cross multiply
68,316,892.70x = 94,278,672.99 × 37,377,726.26 - Step 4: Simplify right side
68,316,892.70x = 3,523,922,430,704,882.50 - Step 5: Solve for x
x = 3,523,922,430,704,882.50/68,316,892.70 - Step 6: Final answer
x = 51,582,006.90
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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.