Finding the Fourth Proportional to 53,035,865.87, 73,190,250.74 and 31,305,833.87
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Solution
The fourth proportional to 53,035,865.87, 73,190,250.74 and 31,305,833.87 is: 43,202,496.89
Step by Step Solution
- Step 1: Write the proportion equation
53,035,865.87 : 73,190,250.74 = 31,305,833.87 : x - Step 2: Convert to fraction form
53,035,865.87/73,190,250.74 = 31,305,833.87/x - Step 3: Cross multiply
53,035,865.87x = 73,190,250.74 × 31,305,833.87 - Step 4: Simplify right side
53,035,865.87x = 2,291,281,830,596,531 - Step 5: Solve for x
x = 2,291,281,830,596,531/53,035,865.87 - Step 6: Final answer
x = 43,202,496.89
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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.