Finding the Fourth Proportional to 106,296,938.70, 146,689,774.21 and 57,404,366.70
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Solution
The fourth proportional to 106,296,938.70, 146,689,774.21 and 57,404,366.70 is: 79,218,025.40
Step by Step Solution
- Step 1: Write the proportion equation
106,296,938.70 : 146,689,774.21 = 57,404,366.70 : x - Step 2: Convert to fraction form
106,296,938.70/146,689,774.21 = 57,404,366.70/x - Step 3: Cross multiply
106,296,938.70x = 146,689,774.21 × 57,404,366.70 - Step 4: Simplify right side
106,296,938.70x = 8,420,633,589,891,044 - Step 5: Solve for x
x = 8,420,633,589,891,044/106,296,938.70 - Step 6: Final answer
x = 79,218,025.40
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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.