Finding the Fourth Proportional to 48,923,981.76, 67,515,138.05 and 26,897,855.88
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Solution
The fourth proportional to 48,923,981.76, 67,515,138.05 and 26,897,855.88 is: 37,119,064.87
Step by Step Solution
- Step 1: Write the proportion equation
48,923,981.76 : 67,515,138.05 = 26,897,855.88 : x - Step 2: Convert to fraction form
48,923,981.76/67,515,138.05 = 26,897,855.88/x - Step 3: Cross multiply
48,923,981.76x = 67,515,138.05 × 26,897,855.88 - Step 4: Simplify right side
48,923,981.76x = 1,816,012,452,852,715 - Step 5: Solve for x
x = 1,816,012,452,852,715/48,923,981.76 - Step 6: Final answer
x = 37,119,064.87
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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.