Finding the Fourth Proportional to 68,744,751.03, 94,865,864.64 and 37,804,920.31
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Solution
The fourth proportional to 68,744,751.03, 94,865,864.64 and 37,804,920.31 is: 52,169,749.68
Step by Step Solution
- Step 1: Write the proportion equation
68,744,751.03 : 94,865,864.64 = 37,804,920.31 : x - Step 2: Convert to fraction form
68,744,751.03/94,865,864.64 = 37,804,920.31/x - Step 3: Cross multiply
68,744,751.03x = 94,865,864.64 × 37,804,920.31 - Step 4: Simplify right side
68,744,751.03x = 3,586,396,452,937,493 - Step 5: Solve for x
x = 3,586,396,452,937,493/68,744,751.03 - Step 6: Final answer
x = 52,169,749.68
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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.