Finding the Fourth Proportional to 53,431,664.24, 73,735,838.64 and 28,985,378.24
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Solution
The fourth proportional to 53,431,664.24, 73,735,838.64 and 28,985,378.24 is: 39,999,899.00
Step by Step Solution
- Step 1: Write the proportion equation
53,431,664.24 : 73,735,838.64 = 28,985,378.24 : x - Step 2: Convert to fraction form
53,431,664.24/73,735,838.64 = 28,985,378.24/x - Step 3: Cross multiply
53,431,664.24x = 73,735,838.64 × 28,985,378.24 - Step 4: Simplify right side
53,431,664.24x = 2,137,261,172,824,007 - Step 5: Solve for x
x = 2,137,261,172,824,007/53,431,664.24 - Step 6: Final answer
x = 39,999,899.00
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1.5x scale
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.