Finding the Fourth Proportional to 75,757,390.08, 104,545,153.26 and 40,950,081.06
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Solution
The fourth proportional to 75,757,390.08, 104,545,153.26 and 40,950,081.06 is: 56,511,087.51
Step by Step Solution
- Step 1: Write the proportion equation
75,757,390.08 : 104,545,153.26 = 40,950,081.06 : x - Step 2: Convert to fraction form
75,757,390.08/104,545,153.26 = 40,950,081.06/x - Step 3: Cross multiply
75,757,390.08x = 104,545,153.26 × 40,950,081.06 - Step 4: Simplify right side
75,757,390.08x = 4,281,132,500,427,123.50 - Step 5: Solve for x
x = 4,281,132,500,427,123.50/75,757,390.08 - Step 6: Final answer
x = 56,511,087.51
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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.