Finding the Fourth Proportional to 66,841,512.92, 92,271,512.04 and 42,098,063.84
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Solution
The fourth proportional to 66,841,512.92, 92,271,512.04 and 42,098,063.84 is: 58,114,363.89
Step by Step Solution
- Step 1: Write the proportion equation
66,841,512.92 : 92,271,512.04 = 42,098,063.84 : x - Step 2: Convert to fraction form
66,841,512.92/92,271,512.04 = 42,098,063.84/x - Step 3: Cross multiply
66,841,512.92x = 92,271,512.04 × 42,098,063.84 - Step 4: Simplify right side
66,841,512.92x = 3,884,452,004,473,249 - Step 5: Solve for x
x = 3,884,452,004,473,249/66,841,512.92 - Step 6: Final answer
x = 58,114,363.89
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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.