Finding the Fourth Proportional to 89,121,815.46, 133,714,351.26 and 39,933,801.63
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Solution
The fourth proportional to 89,121,815.46, 133,714,351.26 and 39,933,801.63 is: 59,914,874.39
Step by Step Solution
- Step 1: Write the proportion equation
89,121,815.46 : 133,714,351.26 = 39,933,801.63 : x - Step 2: Convert to fraction form
89,121,815.46/133,714,351.26 = 39,933,801.63/x - Step 3: Cross multiply
89,121,815.46x = 133,714,351.26 × 39,933,801.63 - Step 4: Simplify right side
89,121,815.46x = 5,339,722,378,300,981 - Step 5: Solve for x
x = 5,339,722,378,300,981/89,121,815.46 - Step 6: Final answer
x = 59,914,874.39
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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.