Finding the Fourth Proportional to 49,897,138.05, 74,845,707.08 and 36,460,210.05
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Solution
The fourth proportional to 49,897,138.05, 74,845,707.08 and 36,460,210.05 is: 54,690,315.08
Step by Step Solution
- Step 1: Write the proportion equation
49,897,138.05 : 74,845,707.08 = 36,460,210.05 : x - Step 2: Convert to fraction form
49,897,138.05/74,845,707.08 = 36,460,210.05/x - Step 3: Cross multiply
49,897,138.05x = 74,845,707.08 × 36,460,210.05 - Step 4: Simplify right side
49,897,138.05x = 2,728,890,201,295,271 - Step 5: Solve for x
x = 2,728,890,201,295,271/49,897,138.05 - Step 6: Final answer
x = 54,690,315.08
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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.