Finding the Fourth Proportional to 61,399,997.16, 84,770,235.66 and 39,085,573.80
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Solution
The fourth proportional to 61,399,997.16, 84,770,235.66 and 39,085,573.80 is: 53,962,434.12
Step by Step Solution
- Step 1: Write the proportion equation
61,399,997.16 : 84,770,235.66 = 39,085,573.80 : x - Step 2: Convert to fraction form
61,399,997.16/84,770,235.66 = 39,085,573.80/x - Step 3: Cross multiply
61,399,997.16x = 84,770,235.66 × 39,085,573.80 - Step 4: Simplify right side
61,399,997.16x = 3,313,293,301,932,321.50 - Step 5: Solve for x
x = 3,313,293,301,932,321.50/61,399,997.16 - Step 6: Final answer
x = 53,962,434.12
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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.