Finding the Fourth Proportional to 77,302,364.58, 115,950,512.07 and 26,184,381.57
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Solution
The fourth proportional to 77,302,364.58, 115,950,512.07 and 26,184,381.57 is: 39,275,544.39
Step by Step Solution
- Step 1: Write the proportion equation
77,302,364.58 : 115,950,512.07 = 26,184,381.57 : x - Step 2: Convert to fraction form
77,302,364.58/115,950,512.07 = 26,184,381.57/x - Step 3: Cross multiply
77,302,364.58x = 115,950,512.07 × 26,184,381.57 - Step 4: Simplify right side
77,302,364.58x = 3,036,092,451,277,770.50 - Step 5: Solve for x
x = 3,036,092,451,277,770.50/77,302,364.58 - Step 6: Final answer
x = 39,275,544.39
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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.