Finding the Fourth Proportional to 76,260,682.21, 105,239,809.26 and 41,453,372.65
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Solution
The fourth proportional to 76,260,682.21, 105,239,809.26 and 41,453,372.65 is: 57,205,691.12
Step by Step Solution
- Step 1: Write the proportion equation
76,260,682.21 : 105,239,809.26 = 41,453,372.65 : x - Step 2: Convert to fraction form
76,260,682.21/105,239,809.26 = 41,453,372.65/x - Step 3: Cross multiply
76,260,682.21x = 105,239,809.26 × 41,453,372.65 - Step 4: Simplify right side
76,260,682.21x = 4,362,545,030,869,701 - Step 5: Solve for x
x = 4,362,545,030,869,701/76,260,682.21 - Step 6: Final answer
x = 57,205,691.12
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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.