Finding the Fourth Proportional to 74,661,816.05, 103,028,044.88 and 41,620,603.65
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Solution
The fourth proportional to 74,661,816.05, 103,028,044.88 and 41,620,603.65 is: 57,433,500.12
Step by Step Solution
- Step 1: Write the proportion equation
74,661,816.05 : 103,028,044.88 = 41,620,603.65 : x - Step 2: Convert to fraction form
74,661,816.05/103,028,044.88 = 41,620,603.65/x - Step 3: Cross multiply
74,661,816.05x = 103,028,044.88 × 41,620,603.65 - Step 4: Simplify right side
74,661,816.05x = 4,288,089,420,784,891.50 - Step 5: Solve for x
x = 4,288,089,420,784,891.50/74,661,816.05 - Step 6: Final answer
x = 57,433,500.12
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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.