Finding the Fourth Proportional to 91,778,168.10, 126,649,992.03 and 49,961,364.06
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Solution
The fourth proportional to 91,778,168.10, 126,649,992.03 and 49,961,364.06 is: 68,944,570.27
Step by Step Solution
- Step 1: Write the proportion equation
91,778,168.10 : 126,649,992.03 = 49,961,364.06 : x - Step 2: Convert to fraction form
91,778,168.10/126,649,992.03 = 49,961,364.06/x - Step 3: Cross multiply
91,778,168.10x = 126,649,992.03 × 49,961,364.06 - Step 4: Simplify right side
91,778,168.10x = 6,327,606,360,006,929 - Step 5: Solve for x
x = 6,327,606,360,006,929/91,778,168.10 - Step 6: Final answer
x = 68,944,570.27
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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.