Finding the Fourth Proportional to 108,134,081.36, 149,225,748.88 and 58,574,455.12
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Solution
The fourth proportional to 108,134,081.36, 149,225,748.88 and 58,574,455.12 is: 80,833,136.24
Step by Step Solution
- Step 1: Write the proportion equation
108,134,081.36 : 149,225,748.88 = 58,574,455.12 : x - Step 2: Convert to fraction form
108,134,081.36/149,225,748.88 = 58,574,455.12/x - Step 3: Cross multiply
108,134,081.36x = 149,225,748.88 × 58,574,455.12 - Step 4: Simplify right side
108,134,081.36x = 8,740,816,930,519,950 - Step 5: Solve for x
x = 8,740,816,930,519,950/108,134,081.36 - Step 6: Final answer
x = 80,833,136.24
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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.