Finding the Fourth Proportional to 84,993,236.84, 127,515,873.94 and 43,523,475.20
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Solution
The fourth proportional to 84,993,236.84, 127,515,873.94 and 43,523,475.20 is: 65,298,536.49
Step by Step Solution
- Step 1: Write the proportion equation
84,993,236.84 : 127,515,873.94 = 43,523,475.20 : x - Step 2: Convert to fraction form
84,993,236.84/127,515,873.94 = 43,523,475.20/x - Step 3: Cross multiply
84,993,236.84x = 127,515,873.94 × 43,523,475.20 - Step 4: Simplify right side
84,993,236.84x = 5,549,933,977,033,917 - Step 5: Solve for x
x = 5,549,933,977,033,917/84,993,236.84 - Step 6: Final answer
x = 65,298,536.49
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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.