Finding the Fourth Proportional to 88,384,353.99, 121,974,209.60 and 49,226,148.15
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Solution
The fourth proportional to 88,384,353.99, 121,974,209.60 and 49,226,148.15 is: 67,934,201.48
Step by Step Solution
- Step 1: Write the proportion equation
88,384,353.99 : 121,974,209.60 = 49,226,148.15 : x - Step 2: Convert to fraction form
88,384,353.99/121,974,209.60 = 49,226,148.15/x - Step 3: Cross multiply
88,384,353.99x = 121,974,209.60 × 49,226,148.15 - Step 4: Simplify right side
88,384,353.99x = 6,004,320,512,002,621 - Step 5: Solve for x
x = 6,004,320,512,002,621/88,384,353.99 - Step 6: Final answer
x = 67,934,201.48
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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.