Finding the Fourth Proportional to 90,203,594.09, 124,480,960.79 and 48,950,486.46
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Solution
The fourth proportional to 90,203,594.09, 124,480,960.79 and 48,950,486.46 is: 67,551,671.83
Step by Step Solution
- Step 1: Write the proportion equation
90,203,594.09 : 124,480,960.79 = 48,950,486.46 : x - Step 2: Convert to fraction form
90,203,594.09/124,480,960.79 = 48,950,486.46/x - Step 3: Cross multiply
90,203,594.09x = 124,480,960.79 × 48,950,486.46 - Step 4: Simplify right side
90,203,594.09x = 6,093,403,585,433,933 - Step 5: Solve for x
x = 6,093,403,585,433,933/90,203,594.09 - Step 6: Final answer
x = 67,551,671.83
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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.