Finding the Fourth Proportional to 75,029,629.86, 103,560,354.09 and 42,453,477.54
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Solution
The fourth proportional to 75,029,629.86, 103,560,354.09 and 42,453,477.54 is: 58,596,812.68
Step by Step Solution
- Step 1: Write the proportion equation
75,029,629.86 : 103,560,354.09 = 42,453,477.54 : x - Step 2: Convert to fraction form
75,029,629.86/103,560,354.09 = 42,453,477.54/x - Step 3: Cross multiply
75,029,629.86x = 103,560,354.09 × 42,453,477.54 - Step 4: Simplify right side
75,029,629.86x = 4,396,497,166,394,262 - Step 5: Solve for x
x = 4,396,497,166,394,262/75,029,629.86 - Step 6: Final answer
x = 58,596,812.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.