Finding the Fourth Proportional to 106,296,938.07, 146,689,773.35 and 57,404,366.07
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Solution
The fourth proportional to 106,296,938.07, 146,689,773.35 and 57,404,366.07 is: 79,218,024.53
Step by Step Solution
- Step 1: Write the proportion equation
106,296,938.07 : 146,689,773.35 = 57,404,366.07 : x - Step 2: Convert to fraction form
106,296,938.07/146,689,773.35 = 57,404,366.07/x - Step 3: Cross multiply
106,296,938.07x = 146,689,773.35 × 57,404,366.07 - Step 4: Simplify right side
106,296,938.07x = 8,420,633,447,821,708 - Step 5: Solve for x
x = 8,420,633,447,821,708/106,296,938.07 - Step 6: Final answer
x = 79,218,024.53
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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.