Finding the Fourth Proportional to 75,054,489.03, 103,521,800.34 and 68,879,476.26
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Solution
The fourth proportional to 75,054,489.03, 103,521,800.34 and 68,879,476.26 is: 95,004,675.68
Step by Step Solution
- Step 1: Write the proportion equation
75,054,489.03 : 103,521,800.34 = 68,879,476.26 : x - Step 2: Convert to fraction form
75,054,489.03/103,521,800.34 = 68,879,476.26/x - Step 3: Cross multiply
75,054,489.03x = 103,521,800.34 × 68,879,476.26 - Step 4: Simplify right side
75,054,489.03x = 7,130,527,388,911,491 - Step 5: Solve for x
x = 7,130,527,388,911,491/75,054,489.03 - Step 6: Final answer
x = 95,004,675.68
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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.