Finding the Fourth Proportional to 53,322,116.44, 73,563,687.68 and 30,991,392.09
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Solution
The fourth proportional to 53,322,116.44, 73,563,687.68 and 30,991,392.09 is: 42,756,012.71
Step by Step Solution
- Step 1: Write the proportion equation
53,322,116.44 : 73,563,687.68 = 30,991,392.09 : x - Step 2: Convert to fraction form
53,322,116.44/73,563,687.68 = 30,991,392.09/x - Step 3: Cross multiply
53,322,116.44x = 73,563,687.68 × 30,991,392.09 - Step 4: Simplify right side
53,322,116.44x = 2,279,841,088,477,182.50 - Step 5: Solve for x
x = 2,279,841,088,477,182.50/53,322,116.44 - Step 6: Final answer
x = 42,756,012.71
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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.