Finding the Fourth Proportional to 88,337,166.24, 121,902,907.95 and 49,178,946.54
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Solution
The fourth proportional to 88,337,166.24, 121,902,907.95 and 49,178,946.54 is: 67,865,620.42
Step by Step Solution
- Step 1: Write the proportion equation
88,337,166.24 : 121,902,907.95 = 49,178,946.54 : x - Step 2: Convert to fraction form
88,337,166.24/121,902,907.95 = 49,178,946.54/x - Step 3: Cross multiply
88,337,166.24x = 121,902,907.95 × 49,178,946.54 - Step 4: Simplify right side
88,337,166.24x = 5,995,056,593,143,591 - Step 5: Solve for x
x = 5,995,056,593,143,591/88,337,166.24 - Step 6: Final answer
x = 67,865,620.42
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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.