Finding the Fourth Proportional to 76,874,010.12, 106,088,218.02 and 47,104,143.30
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Solution
The fourth proportional to 76,874,010.12, 106,088,218.02 and 47,104,143.30 is: 65,004,994.75
Step by Step Solution
- Step 1: Write the proportion equation
76,874,010.12 : 106,088,218.02 = 47,104,143.30 : x - Step 2: Convert to fraction form
76,874,010.12/106,088,218.02 = 47,104,143.30/x - Step 3: Cross multiply
76,874,010.12x = 106,088,218.02 × 47,104,143.30 - Step 4: Simplify right side
76,874,010.12x = 4,997,194,624,055,722 - Step 5: Solve for x
x = 4,997,194,624,055,722/76,874,010.12 - Step 6: Final answer
x = 65,004,994.75
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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.