Finding the Fourth Proportional to 86,626,868.08, 129,940,523.64 and 21,930,680.06
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Solution
The fourth proportional to 86,626,868.08, 129,940,523.64 and 21,930,680.06 is: 32,896,076.17
Step by Step Solution
- Step 1: Write the proportion equation
86,626,868.08 : 129,940,523.64 = 21,930,680.06 : x - Step 2: Convert to fraction form
86,626,868.08/129,940,523.64 = 21,930,680.06/x - Step 3: Cross multiply
86,626,868.08x = 129,940,523.64 × 21,930,680.06 - Step 4: Simplify right side
86,626,868.08x = 2,849,684,050,919,178.50 - Step 5: Solve for x
x = 2,849,684,050,919,178.50/86,626,868.08 - Step 6: Final answer
x = 32,896,076.17
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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.