Finding the Fourth Proportional to 45,651,142.80, 63,081,994.16 and 33,239,615.06
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Solution
The fourth proportional to 45,651,142.80, 63,081,994.16 and 33,239,615.06 is: 45,931,406.64
Step by Step Solution
- Step 1: Write the proportion equation
45,651,142.80 : 63,081,994.16 = 33,239,615.06 : x - Step 2: Convert to fraction form
45,651,142.80/63,081,994.16 = 33,239,615.06/x - Step 3: Cross multiply
45,651,142.80x = 63,081,994.16 × 33,239,615.06 - Step 4: Simplify right side
45,651,142.80x = 2,096,821,203,336,372 - Step 5: Solve for x
x = 2,096,821,203,336,372/45,651,142.80 - Step 6: Final answer
x = 45,931,406.64
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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.