Finding the Fourth Proportional to 68,143,302.30, 102,214,953.45 and 40,933,523.10
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Solution
The fourth proportional to 68,143,302.30, 102,214,953.45 and 40,933,523.10 is: 61,400,284.65
Step by Step Solution
- Step 1: Write the proportion equation
68,143,302.30 : 102,214,953.45 = 40,933,523.10 : x - Step 2: Convert to fraction form
68,143,302.30/102,214,953.45 = 40,933,523.10/x - Step 3: Cross multiply
68,143,302.30x = 102,214,953.45 × 40,933,523.10 - Step 4: Simplify right side
68,143,302.30x = 4,184,018,158,211,000 - Step 5: Solve for x
x = 4,184,018,158,211,000/68,143,302.30 - Step 6: Final answer
x = 61,400,284.65
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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.