Finding the Fourth Proportional to 86,744,983.32, 119,707,378.38 and 47,052,415.62
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Solution
The fourth proportional to 86,744,983.32, 119,707,378.38 and 47,052,415.62 is: 64,931,954.62
Step by Step Solution
- Step 1: Write the proportion equation
86,744,983.32 : 119,707,378.38 = 47,052,415.62 : x - Step 2: Convert to fraction form
86,744,983.32/119,707,378.38 = 47,052,415.62/x - Step 3: Cross multiply
86,744,983.32x = 119,707,378.38 × 47,052,415.62 - Step 4: Simplify right side
86,744,983.32x = 5,632,521,320,316,362 - Step 5: Solve for x
x = 5,632,521,320,316,362/86,744,983.32 - Step 6: Final answer
x = 64,931,954.62
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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.