Finding the Fourth Proportional to 122,203,381.41, 182,153,853 and 112,396,818.74
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Solution
The fourth proportional to 122,203,381.41, 182,153,853 and 112,396,818.74 is: 167,536,391.88
Step by Step Solution
- Step 1: Write the proportion equation
122,203,381.41 : 182,153,853 = 112,396,818.74 : x - Step 2: Convert to fraction form
122,203,381.41/182,153,853 = 112,396,818.74/x - Step 3: Cross multiply
122,203,381.41x = 182,153,853 × 112,396,818.74 - Step 4: Simplify right side
122,203,381.41x = 20,473,513,597,522,836 - Step 5: Solve for x
x = 20,473,513,597,522,836/122,203,381.41 - Step 6: Final answer
x = 167,536,391.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.