Finding the Fourth Proportional to 73,385,850.14, 101,272,537.96 and 40,346,661.39
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Solution
The fourth proportional to 73,385,850.14, 101,272,537.96 and 40,346,661.39 is: 55,678,428.33
Step by Step Solution
- Step 1: Write the proportion equation
73,385,850.14 : 101,272,537.96 = 40,346,661.39 : x - Step 2: Convert to fraction form
73,385,850.14/101,272,537.96 = 40,346,661.39/x - Step 3: Cross multiply
73,385,850.14x = 101,272,537.96 × 40,346,661.39 - Step 4: Simplify right side
73,385,850.14x = 4,086,008,797,466,037 - Step 5: Solve for x
x = 4,086,008,797,466,037/73,385,850.14 - Step 6: Final answer
x = 55,678,428.33
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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.