Finding the Fourth Proportional to 75,970,701.65, 104,875,716.11 and 50,895,986.64
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Solution
The fourth proportional to 75,970,701.65, 104,875,716.11 and 50,895,986.64 is: 70,260,678.53
Step by Step Solution
- Step 1: Write the proportion equation
75,970,701.65 : 104,875,716.11 = 50,895,986.64 : x - Step 2: Convert to fraction form
75,970,701.65/104,875,716.11 = 50,895,986.64/x - Step 3: Cross multiply
75,970,701.65x = 104,875,716.11 × 50,895,986.64 - Step 4: Simplify right side
75,970,701.65x = 5,337,753,045,740,513 - Step 5: Solve for x
x = 5,337,753,045,740,513/75,970,701.65 - Step 6: Final answer
x = 70,260,678.53
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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.