Finding the Fourth Proportional to 86,697,063.04, 119,617,734.72 and 68,305,244.80
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Solution
The fourth proportional to 86,697,063.04, 119,617,734.72 and 68,305,244.80 is: 94,242,161.91
Step by Step Solution
- Step 1: Write the proportion equation
86,697,063.04 : 119,617,734.72 = 68,305,244.80 : x - Step 2: Convert to fraction form
86,697,063.04/119,617,734.72 = 68,305,244.80/x - Step 3: Cross multiply
86,697,063.04x = 119,617,734.72 × 68,305,244.80 - Step 4: Simplify right side
86,697,063.04x = 8,170,518,652,471,059 - Step 5: Solve for x
x = 8,170,518,652,471,059/86,697,063.04 - Step 6: Final answer
x = 94,242,161.91
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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.