Finding the Fourth Proportional to 73,638,065.93, 110,457,095.67 and 69,955,868.70
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Solution
The fourth proportional to 73,638,065.93, 110,457,095.67 and 69,955,868.70 is: 104,933,799.99
Step by Step Solution
- Step 1: Write the proportion equation
73,638,065.93 : 110,457,095.67 = 69,955,868.70 : x - Step 2: Convert to fraction form
73,638,065.93/110,457,095.67 = 69,955,868.70/x - Step 3: Cross multiply
73,638,065.93x = 110,457,095.67 × 69,955,868.70 - Step 4: Simplify right side
73,638,065.93x = 7,727,122,081,673,859 - Step 5: Solve for x
x = 7,727,122,081,673,859/73,638,065.93 - Step 6: Final answer
x = 104,933,799.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.