Finding the Fourth Proportional to 107,554,414.40, 161,331,621.60 and 39,403,995.20
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Solution
The fourth proportional to 107,554,414.40, 161,331,621.60 and 39,403,995.20 is: 59,105,992.80
Step by Step Solution
- Step 1: Write the proportion equation
107,554,414.40 : 161,331,621.60 = 39,403,995.20 : x - Step 2: Convert to fraction form
107,554,414.40/161,331,621.60 = 39,403,995.20/x - Step 3: Cross multiply
107,554,414.40x = 161,331,621.60 × 39,403,995.20 - Step 4: Simplify right side
107,554,414.40x = 6,357,110,443,134,617 - Step 5: Solve for x
x = 6,357,110,443,134,617/107,554,414.40 - Step 6: Final answer
x = 59,105,992.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.