Finding the Fourth Proportional to 106,296,557.68, 159,387,138.54 and 47,935,951.48
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Solution
The fourth proportional to 106,296,557.68, 159,387,138.54 and 47,935,951.48 is: 71,877,907.49
Step by Step Solution
- Step 1: Write the proportion equation
106,296,557.68 : 159,387,138.54 = 47,935,951.48 : x - Step 2: Convert to fraction form
106,296,557.68/159,387,138.54 = 47,935,951.48/x - Step 3: Cross multiply
106,296,557.68x = 159,387,138.54 × 47,935,951.48 - Step 4: Simplify right side
106,296,557.68x = 7,640,374,139,589,477 - Step 5: Solve for x
x = 7,640,374,139,589,477/106,296,557.68 - Step 6: Final answer
x = 71,877,907.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.