Finding the Fourth Proportional to 103,669,739.48, 155,444,447.55 and 49,081,864.07
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Solution
The fourth proportional to 103,669,739.48, 155,444,447.55 and 49,081,864.07 is: 73,594,312.90
Step by Step Solution
- Step 1: Write the proportion equation
103,669,739.48 : 155,444,447.55 = 49,081,864.07 : x - Step 2: Convert to fraction form
103,669,739.48/155,444,447.55 = 49,081,864.07/x - Step 3: Cross multiply
103,669,739.48x = 155,444,447.55 × 49,081,864.07 - Step 4: Simplify right side
103,669,739.48x = 7,629,503,245,085,345 - Step 5: Solve for x
x = 7,629,503,245,085,345/103,669,739.48 - Step 6: Final answer
x = 73,594,312.90
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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.