Finding the Fourth Proportional to 73,935,167.87, 102,023,684.48 and 40,894,705.95
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Solution
The fourth proportional to 73,935,167.87, 102,023,684.48 and 40,894,705.95 is: 56,430,906.93
Step by Step Solution
- Step 1: Write the proportion equation
73,935,167.87 : 102,023,684.48 = 40,894,705.95 : x - Step 2: Convert to fraction form
73,935,167.87/102,023,684.48 = 40,894,705.95/x - Step 3: Cross multiply
73,935,167.87x = 102,023,684.48 × 40,894,705.95 - Step 4: Simplify right side
73,935,167.87x = 4,172,228,576,847,416 - Step 5: Solve for x
x = 4,172,228,576,847,416/73,935,167.87 - Step 6: Final answer
x = 56,430,906.93
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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.